Advertise on podcast: Facet Nation: A Gemmology Podcast

Send us a text In this episode of Facet Nation, hosts Lucinda and Simon welcome gem cutter Justin K Prim, who shares his fascinating journey from music to gemmology. Justin discusses his experiences in the gem trade, the art and science of gem cutting, and the importance of community in the field. He also delves into his favorite gemstones, the challenges of the trade, and his exciting new projects, including a gem cutting school and a museum showcasing his extensive collection of machines and books. Find out more: https://www.magusgems.com https://www.facetingapprentice.com Takeaways Justin transitioned from a career in music to gem cutting. He discovered the gem trade through a local gem show. Lapidary clubs play a crucial role in learning gem cutting. Emeralds are Justin's favourite gemstones to cut. The gem cutting process requires patience and attention to detail. Community support is vital for aspiring gem cutters. Justin emphasises the importance of creativity in gem cutting. He is excited about his new gem cutting school and museum. The gem trade is evolving, with a growing appreciation for well-cut stones. Justin's books aim to educate and inspire future gem cutters. Titles From Music to Gemmology: Justin K Prim's Journey The Art of Gem Cutting with Justin K Prim Sound bites "I want to keep cutting." "I love cutting emeralds." "It's a mystery." Chapters 00:00 Introduction to Gemmology and Guest Introduction 01:13 Justin's Journey into Gem Cutting 05:19 Discovering the Gem Trade 09:06 The Evolution of Gem Cutting Community 11:45 Getting Started in Lapidary 14:47 The Art of Gem Cutting 16:18 Moving to Bangkok for Gemmology School 20:20 Building a Career in Gem Cutting 23:07 Life in France and the Gem Business 25:47 The Process of Cutting a Gemstone 27:01 The Art of Preforming and Cutting Gems 29:54 Polishing and Final Touches in Gem Cutting 31:54 Exploring Different Faceting Techniques 33:43 The Journey of Learning and Experimentation 36:30 Building a Gem Cutting School and Museum 38:15 The Passion Behind Gem Cutting and Teaching 42:29 The Evolution of Gem Cutting Techniques 47:32 Historical Insights into Gem Cutting 52:36 The Importance of Quality in Gemstones 54:57 Understanding Coloured Stones vs. Diamonds 56:28 The Journey of a Gemstone Buyer 58:53 Emotional Connections in Jewellery Making 01:04:48 The Art of Cutting Gemstones 01:06:23 Future Plans and Collaborations gemmology, gem cutting, gemstones, lapidary, gem trade, gem cutter, gem education, gem collection, gem stories, gem enthusiasts, books, gem history, museum Support the show

Send us a text In this episode of Facet Nation, hosts Lucinda and Simon interview Jeff Hapeman, owner of Earth's Treasury, who shares his unique journey from academia to the gem industry. Jeff discusses the fascinating world of Montana sapphires, the challenges and opportunities within the gem market, and the importance of ethical sourcing and cutting techniques. The conversation highlights the growing popularity of coloured stones and the evolving consumer preferences in jewellery design. In this engaging conversation, Jeff Hapeman discusses the intricacies of gem cutting, the inspirations behind his jewellery designs, and the fascinating world of photomicrography. He shares insights into the judging process for the Gem-A Photographer of the Year and reflects on his experiences with Montana sapphires, emphasising the beauty and uniqueness of gemstones. Takeaways Jeff transitioned from academia to gemmology after realising academia wasn't for him. Earth's Treasury focuses on American gemstones, particularly Montana sapphires. Montana sapphires offer a unique variety of colours and qualities. The gem industry faces challenges with sourcing and environmental regulations. Jeff emphasises the importance of ethical sourcing in the gem market. The rise of coloured stones reflects changing consumer preferences. Gem cutting techniques can significantly affect the appearance of stones. There is a growing awareness of the importance of quality cutting in coloured stones. Jeff believes that coloured stones are becoming more popular among younger generations. The future of gemmuology will likely see continued growth in the colored stone market. The pavilion angle needs to be steeper for optimal performance. Jewellery is bespoke and designed specifically for each stone. Sphene is a captivating gem with unique dispersion. The Garnet Supernova necklace was inspired by a collector's love for Art Deco. Colour is a key element in trendy jewellery designs. Photomicrography reveals the intricate beauty of gemstones. Judging photography involves assessing technical skill and aesthetic appeal. Montana sapphires are mined in limited quantities, often yielding smaller stones. Patience and persistence are essential in gemstone photography. The journey of a gemstone from rough to finished piece is a labor of love. Titles The Art of Gem Cutting: Insights from Jeff Hapeman Design Inspirations: Crafting Unique Jewellery Sound bites "I try to minimise the waste." "They look awesome." "I love all gems equally." Chapters 00:00 Introduction to Gemmology and Guest Introduction 03:24 Jeff Hapeman's Unique Journey into Gemmology 08:41 The Birth of Earth's Treasury and Business Evolution 12:14 Montana Sapphires: A Gemstone Revolution 19:55 The Appeal of Coloured Stones in Modern Jewellery 23:29 The Future of Diamonds and Coloured Gemstones 27:41 Exploring Unique Garnets and Tourmalines 29:02 Innovative Cuts for Montana Sapphires 31:35 The Art of Precision Cutting 33:30 Designing Jewellery with Timeless Inspiration 37:50 Creating Signature Jewellery Designs 42:38 The World of Photomicrography 47:41 Judging the GemA Photographer of the Year 49:26 The Art of Inclusion Photography 52:06 Patience in Photography and Nature 53:24 Experiences in the UK and Gemmology 56:14 Self-Publishing and the Journey of a Book 58:11 The Reality of Sapphire Mining gemmology, Montana sapphires, Jeff Hapeman, Earth's Treasury, gem cutting, coloured stones, jewellery design, gem industry, gem trends, American gemstones, gem cutting, jewelry design, photomicrography, gemstone

Send us a text In this episode of Facet Nation, Simon and Lucinda delve into the intricacies of the refractometer, a crucial tool for gemmologists. They discuss its importance in identifying gemstones by measuring the refractive index, emphasising how light behaves when it enters different materials. The hosts share personal anecdotes and practical tips for using the refractometer effectively, including the significance of using the right light source and the challenges posed by contact fluid. They also highlight common pitfalls and best practices to ensure accurate readings, making the episode both informative and engaging for listeners interested in gemmology. Throughout the conversation, Simon and Lucinda provide insights into the technical aspects of the refractometer, such as total internal reflection and the importance of clean surfaces. They also touch on the emotional aspects of studying gemmology, sharing their experiences with exam preparation and the sense of community among gemmology students. The episode concludes with a light-hearted discussion about the challenges of using the refractometer and the importance of practice in mastering this essential tool. Keywords gemmology, refractometer, gemstone identification, light refraction, gemmology tools, refractive index, gemmologist tips, gemmology podcast, optical properties, gemstones, gem testing, light and optics, education, science Takeaways The refractometer is essential for identifying gemstones. Using the correct light source is crucial for accurate readings. Practice makes perfect when using the refractometer. Keep the glass table of the refractometer clean to avoid inaccurate results. Understanding total internal reflection is key to using the refractometer. Titles Mastering the Refractometer: Essential Tips for Gemmologists Unlocking the Secrets of Gemstone Identification with the Refractometer Sound bites "Not having a refractometer is like going into battle with a spoon." "Sodium yellow light is the agreed upon standard." "When in doubt, get your refractometer out." Chapters 00:00 Introduction to the Refractometer 01:52 Understanding Refraction and Its Importance 04:53 How the Refractometer Works 10:22 The Role of RI Fluid in Testing 14:10 Interpreting Shadow Edges and RI Readings 19:08 Birefringence and Its Significance 22:56 Identifying Uniaxial vs. Biaxial Stones 25:24 Understanding Biaxial Materials 28:13 Distant Vision Reading Techniques 32:52 Practical Tips for Using a Refractometer 36:29 House Rules for Refractometry 41:30 Final Thoughts on Refractometer Use

Send us a text In this episode of Facet Nation, Lucinda and Simon discuss their experiences preparing for and taking the Gem-A exams, particularly focusing on the diploma exam. They share personal anecdotes about their study strategies, the unique challenges of the Gem-A exams, and tips for managing exam anxiety. The conversation covers various aspects of preparation, including the importance of understanding the material deeply, utilizing practice papers, and the significance of real-world application in gemmology. They also reflect on their experiences during the exam days, offering insights into the practical and theory components of the exams, and conclude with advice for future candidates. Exams can be stressful, but preparation helps alleviate anxiety. Gem-A exams are known for their difficulty and require deep understanding. Different study methods work for different people; find what suits you best. Real-world application of gemmology knowledge enhances understanding. Start preparing early to build a solid foundation of knowledge. Utilise flashcards and practice papers for effective revision. Stay calm and organised during the exam to maximise performance. The invigilators are supportive and there to help you succeed. It's normal not to doubt yourself during the exam; trust your knowledge. Post-exam discussions can help clarify doubts and reduce anxiety. Navigating the Gem-A Exam Experience Mastering Gemmology: Exam Strategies and Insights Sound bites "I was really worried about the practical." "You can get two wrong and still pass." "I still have dreams about it." Chapters 00:00 Introduction to Exam Season Anxiety 02:38 Understanding GEM-A Exams 05:31 Preparing for the Diploma Exam 07:53 Study Strategies and Techniques 10:47 Real-World Application of Gemmology 13:27 Tips for Early Preparation 15:51 One Month Out: Focused Revision 18:48 The Importance of Practice Papers 21:29 Final Week Preparations 24:16 Day of the Exam: Priorities and Mindset 32:07 Navigating Exam Day Challenges 37:19 Exam Preparation Strategies 41:31 Experiencing the Exam: Insights and Reflections 51:56 Coping with Post-Exam Anxiety 55:39 Final Thoughts and Advice for Future Candidates

Send us a text Summary In this episode, Lucinda and Simon explore the fascinating world of spinel, a gemstone often overshadowed by rubies and sapphires. They discuss its chemical composition, colour variations, and historical significance, as well as the modern rise of synthetic spinel. The conversation delves into the properties that make spinel a desirable choice for jewellery, its unique inclusions, and the testing methods used to identify it. The hosts also highlight famous spinels throughout history, emphasising the gemstone's newfound recognition and value in the gemological community. Takeaways Spinel is often confused with rubies and sapphires due to its similar appearance. The chemical composition of spinel is magnesium aluminum oxide. Spinel comes in a variety of colors, including red, blue, and black. Spinel is a durable gemstone, making it suitable for everyday wear. Historically, spinel was often misidentified as ruby, leading to its nickname 'balast ruby.' The Mahenge region of Tanzania produces some of the most valuable spinels. Spinel crystals can form in octahedral shapes, similar to diamonds. Synthetic spinel is produced using the Verneuil flame fusion method. Testing spinel involves using a refractometer to determine its refractive index. Famous spinels include the Black Prince's Ruby and the Timur Ruby. Chapters 00:00 New Year, New Beginnings 02:07 The Allure of Spinel 03:47 Understanding Spinel's Composition 07:59 The Color Spectrum of Spinel 10:55 Spinel Crystals and Their Formation 14:08 Historical Significance and Modern Sources 17:59 Inclusions and Unique Features of Spinel 18:58 Identifying Spinel vs. Other Stones 24:06 Synthetic Spinel: The Modern Challenge 30:11 Introduction to Spinels and Spectroscopy 34:03 Understanding Spinel Spectra 35:40 Famous Spinels: The Black Prince's Ruby 38:06 The Historical Significance of Spinels 41:29 The Sumerian Spinel: Myths and Legends 44:32 The Cote de Bretagne Spinel: A Unique Jewel 47:10 The Modern Recognition of Spinels Keywords Spinel, gemstones, gemology, inclusions, synthetic spinel, colour spectrum, historical significance, identification, properties, testing, gemmology

Send us a text In this episode of Facet Nation, hosts Simon and Lucinda chat with Rosie Young, a lab gemologist at GCS Lab. Rosie shares her journey from a tax advisor to a passionate gemmologist, discussing her education, experiences, and the day-to-day operations in a gem lab. The conversation delves into the fascinating world of sunstones, including their unique properties, treatments, and the science behind their colours. Rosie also highlights her research on sunstones and the importance of spreading awareness about this beautiful gemstone. The episode concludes with insights into the gem market and the joy of discovering new gemstones. Takeaways Rosie transitioned from tax advising to gemmology, pursuing her passion. She graduated with a BSc in Gemmology and started working at GCS Lab. Lab gemmology involves analysing gemstones using advanced equipment. Sunstones are a unique and under-appreciated gemstone. Copper-bearing sunstones come primarily from Oregon. Diffusion treatment can alter the appearance of gemstones. Color zoning in sunstones is a fascinating phenomenon. Rosie enjoys sharing her knowledge about gemstones with others. The gem market is constantly evolving with new trends. Sunstones have a variety of localities and unique characteristics. Titles Exploring the World of Gemmology with Rosie Young The Journey from Tax Advisor to Gemmologist Sound Bites "I always loved gems as a kid." "It's worked out really well for me." "I would just be happy for it." Chapters 00:00 Introduction to Gemmology and Guest Introduction 04:39 Rosie's Journey into Gemmology 07:06 Educational Experiences in Gemmology 09:43 Internship at GIA and Research Focus 12:19 Working at GCS Lab: Daily Operations 15:11 Lab Equipment and Techniques 17:33 Trends in Gemstone Submissions 20:18 Favourite Gemstones and Unique Finds 22:46 Research on Sunstones and Their Varieties 26:14 The Quest for Sunstone Knowledge 27:18 Origins of Sunstones 28:25 Locality Preferences and Unique Characteristics 28:59 Copper-Bearing Sunstones: A Comparative Analysis 30:48 Colour Zoning in Oregon Sunstone 33:29 Copper Diffusion Experiments 36:29 The Science Behind Diffusion Treatments 38:15 Identifying Diffusion-Treated Stones 42:23 Personal Connections to Sunstone 44:59 Exploring the World of Sunstones 47:34 Inspiration from Gemstones 48:25 Holiday Greetings and Future Plans Keywords gemmology, sunstone, lab gemmology, gemstone treatments, GCS Lab, Rosie Young, gem education, gemstone analysis, gem certification, gem market trends

Send us a text In this episode of Facet Nation, Simon and Lucinda explore the intricacies of gemmology, focusing on the polariscope and its significance in testing gemstones. They discuss the behaviour of light in relation to isotropic and anisotropic materials, the importance of understanding internal stress in gems, and the use of the conoscope for identifying gemstones. The conversation emphasises community engagement and the joy of learning in the field of gemmology. Titles The Fascinating World of Gemmology Understanding Gem Testing Instruments Sound bites "We want to see more cats." "Light needs to be able to get through." "The bullseye is diagnostic of quartz." Chapters 00:00 Introduction to Gemmology and Light Testing 02:55 Deep Dive into the Polariscope 05:26 Understanding Polarisation and Light Behaviour 08:01 Isotropic vs. Anisotropic Materials 10:41 Testing Gemstones with the Polariscope 13:05 Vibration Directions in Gemstones 15:49 Birefringence and Optical Axes 18:41 Conclusion and Key Takeaways 23:52 Understanding Polycrystalline Materials 27:19 Exploring Strain and Anomalous Double Refraction 30:39 Identifying Tabby Extinction and Writhing Snakes 34:11 The Role of the Conoscope in Gem Testing 37:26 Interference Figures: The Bullseye and Beyond 39:47 Biaxial Interference Figures and Their Significance Understanding the importance of the polariscope in gemmology. Light behaviour is crucial for interpreting gemstone properties. Isotropic materials remain dark under polarised light. Anisotropic materials show varying light responses. Polycrystalline materials allow light through in multiple directions. Anomalous double refraction indicates internal stress in gemstones. Conoscopes help identify gemstone types through interference figures. Interference figures provide diagnostic information about gemstones. Recognising tabby extinction and writhing snakes in gem testing. The podcast emphasises community engagement and learning. gemmology, polariscope, isotropic, anisotropic, gemstones, light behaviour, gem testing, interference figures, conoscope, anomalous double refraction, gemology

Send us a text In this live episode of Facet nation, hosts Simon and Lucinda share their experiences at the London Gem and Mineral Show, where they discuss the fascinating gemstone Tanzanite, its properties, discovery, and significance as a birthstone for December. They delve into the science behind Tanzanite's colour, its varieties, and its cultural importance, while also sharing personal anecdotes and insights from their gemmology journey. The London Gem and Mineral Show was a significant experience for the hosts. Tanzanite is the birthstone for December, making it a popular gift choice. Zoisite is the mineral family that Tanzanite belongs to. Tanzanite's colour is influenced by the presence of vanadium and iron. The discovery of Tanzanite is attributed to various individuals, leading to some controversy. Tanzanite requires heat treatment to achieve its vibrant blue colour. The gemstone is known for its vitreous lustre and unique trichroism. Tanzanite is relatively soft, making it less suitable for certain types of jewellery. The largest faceted Tanzanite weighs 703 carats, showcasing its potential size. Tanzanite is associated with transformation and spirituality in various cultures. Titles The Fascinating World of Tanzanite Tanzanite: A December Birthstone Exploration Sound bites "It's our first ever live show!" "Tanzanite has a vitreous luster." "Tanzanite is a very rare stone." Chapters 00:00 Introduction to the Live Show Experience 03:16 Exploring Tanzanite: The Birthstone of December 06:19 Understanding Zoisite and Its Varieties 09:08 The Science Behind Tanzanite's Colour and Properties 12:25 The Discovery and Commercialisation of Tanzanite 15:11 Tanzanite's Unique Characteristics and Uses 18:09 Metaphysical Properties and Cultural Significance of Tanzanite 21:12 Conclusion and Future of Facet nation Podcast Tanzanite, Gemmology, Birthstone, Zoisite, Live Podcast, Gemstones, Mineral Show, Colour Properties, Discovery, Metaphysical Properties, Gemology, Tiffany, Trichroism

Send us a text In this episode of the Facet nation podcast, Simon and Lucinda delve into the intricate world of light and optics as they relate to gemmology. They explore the fundamental properties of light, including reflection and refraction, and discuss how these principles apply to gemstones. The conversation covers the importance of cut in diamonds, the various optical effects seen in gemstones, and the significance of birefringence. The hosts also touch on the practical applications of these concepts in gem testing, providing listeners with a comprehensive understanding of how light interacts with gemstones. Takeaways Light is a form of electromagnetic energy that travels at high speeds. Visible light is a small part of the electromagnetic spectrum, detectable by the human eye. Brilliance in diamonds is a result of precise cutting and internal reflections. The cut of a diamond significantly affects its appearance and brilliance. Total internal reflection is crucial for maximizing light return in gemstones. Aventurescence is caused by reflective inclusions within a gemstone. The cat's eye effect requires specific needle-like inclusions to be visible. Asterism is a star-like effect that requires multiple sets of inclusions. Understanding birefringence helps in identifying different gemstone types. The optical properties of gemstones are essential for gem testing and identification. The Fascinating World of Gemology Light and Optics: A Gemologist's Guide Sound bites "Light is a form of electromagnetic energy." "Visible light is white." "Brilliance is what makes diamonds special." Chapters 00:00 Introduction to Facet nation and Light in Gemmology 03:38 Understanding Light and Its Properties 09:14 Refraction and Its Importance in Gemmology 17:39 Single vs. Double Refraction in Gemstones 23:52 Birefringence and Its Applications in Gem Testing 24:41 Understanding Light and Gemstones 28:24 The Brilliance of Diamonds 31:49 The Importance of Cut in Diamonds 34:22 Exploring Fire and Dispersion in Gemstones 37:05 Optical Effects in Gemstones 46:15 Chatoyancy and Asterism: The Star Effect 49:08 Labradoressence and Other Optical Phenomena gemology, light, optics, reflection, refraction, birefringence, diamonds, optical effects, gemstones, gem testing, gemmology

Send us a text In this episode Lucinda and Simon speak to gem cutting pioneer Arya Akhavan, his trademarked gemstone cuts; the Void Reaver and the Legend of Zelda inspired Rupee cut are some of the most beautiful you'll ever see. Listen to this fascinating interview full of almost revealed secrets and future excitement. If you love gems, videogames or videogame gems, this is the interview for you. Arya Akhavan is a pioneer in video game-themed gem cutting. The gem cutting community is becoming more collaborative and innovative. Video games have a historical connection to gemstones as valuable items. Creating video game-inspired gems involves both artistic and technical skills. The rupee cut is a unique design that poses specific challenges. Community forums like Shiny Precious Gems foster support and creativity. Modern gem cutting techniques are evolving rapidly, especially post-COVID. There is a growing demand for high-end video game-themed jewelry. Education in gem cutting is becoming more accessible and innovative. The emotional connection to gemstones influences how they are valued and cherished. Link:  Kickstarter https://www.kickstarter.com/projects/canadacrystallabs/the-gemstone-lab-growing-never-before-seen-lab-sapphires Reddit https://www.reddit.com/r/Shinypreciousgems/ Titles Gemology Meets Gaming: The Rupee Cut Revolution Crafting Gems: Arya Akhavan's Journey Sound bites "It's a really fascinating chat." "Nobody else had published them." "It's a rescue puppy." Chapters 00:00 The Emergence of Video Game Jewelry 04:56 Educational Challenges in Gem Cutting 07:36 The Growth of Modern Gem Cutters 10:19 Community Building in Gemology 13:20 The Intersection of Gemstones and Video Games 15:52 Creating the Rupee Cut 18:38 Characteristics of the Rupee Cut 21:40 Materials for Gem Cutting 24:11 Challenges with Certain Gem Materials 25:12 Setting and Wearing Gemstones 26:59 Emotional Connections to Cut Stones 28:27 Innovative Gemstone Designs 29:48 The Evolution of Gem Cutting Techniques 33:09 The Renaissance of Modern Gem Cutting 36:26 Future Innovations in Gemstone Research 43:01 Exploring Corundum and Sapphires 45:18 Community Engagement in Gemology 46:47 The Value of Rupees and Gaming References gemmology, video game gems, gem cutting, Arya Akhavan, gemstone design, community building, gem education, rupee cut, innovative designs, gem materials, gemology

Send us a text In this episode of the Facet Nation: A gemmology podcast, hosts Lucinda and Simon explore the intricate relationship between light and gemstones. They discuss the importance of light in visibility and gem testing, delve into the characteristics of light waves, and examine historical theories of light, including Newton's corpuscular theory and Huygens' wave theory. The conversation also covers the significance of polarised light, the behaviours of light such as reflection, refraction, and diffraction, and the implications of the double slit experiment. The episode concludes with a look ahead to future topics related to light and gemmology. Titles Exploring the Nature of Light in Gemmology The Journey of Light: From Waves to Gems Sound bites "What is light?" "Light is essential for visibility." "Polarised light reduces glare." Chapters 00:00 Introduction and Graduation Celebration 03:03 Mnemonic for Mohs Scale 05:48 Understanding Light and Optics 11:28 Characteristics of Waves 16:59 Polarised Light and Its Applications 22:21 Wave Behaviours: Reflection, Refraction, and Diffraction 24:16 History of Light Theory and Newton's Contributions 26:29 Theories of Light: Newton vs. Huygens 30:07 The Double Slit Experiment: Proving Wave Theory 33:57 Einstein and the Birth of Modern Physics 36:10 The Photoelectric Effect: Light as Particles 38:31 Understanding Light: Refraction and Colour 42:09 Reflection, Transmission, and Absorption of Light 43:50 Recap and Future Discussions on Light and Gemmology Takeaways Light is essential for visibility and understanding gemstones. The Mohs scale mnemonic can be improved for better memorization. Light behaves as both a wave and a particle, known as wave-particle duality. Polarised light is crucial for reducing glare and enhancing visibility. Understanding wave characteristics like amplitude and frequency is vital for gemmology. Reflection, refraction, and diffraction are key behaviours of light waves. Historical theories of light evolved from Newton's corpuscular theory to wave theories. The double slit experiment demonstrated light's wave nature through interference patterns. Light interacts with matter, affecting colour perception and gemstone identification. Future discussions will delve deeper into light's role in gem testing. gemmology, light, optics, waves, Mohs scale, polarised light, reflection, refraction, diffraction, history of light, gemology, science

Send us a text In this episode of the Facet nation podcast, Simon and Lucinda delve into the intricate world of gemmology, focusing on the concepts of weight, density, and specific gravity. They explore the historical significance of Archimedes' principle, practical methods for hydrostatic weighing, and the use of heavy liquids in gem identification. The hosts engage with their audience, sharing insights and personal anecdotes, while emphasising the importance of these concepts in the gem trade. Titles The Weight of Gems: Understanding Density and Gravity Gemmology 101: Weight, Density, and Specific Gravity Sound bites "Weight is crucial in gem pricing." "The importance of weight in gem pricing." "Carat weight affects the price per carat." Chapters 00:00 Introduction and Welcome 02:53 Engagement with Listeners 05:14 Understanding Weight and Density in Gemstones 10:33 The Importance of Carat Weight 14:49 Price Per Carat and Market Dynamics 20:18 Specific Gravity Explained 25:11 Historical Context of Specific Gravity Measurement 27:24 Eureka! The Principle of Displacement 28:39 Hydrostatic Weighing: The Science of Density 33:45 Heavy Liquids: Testing Gemstones at Home 38:17 The Game of Sink, Swim or Suspend Weight is crucial in gem pricing and identification. Specific gravity is a key property for gemologists. Archimedes' principle is foundational in understanding density. Hydrostatic weighing is a practical method for determining specific gravity. Heavy liquids can help distinguish between different gemstones. Amber's specific gravity allows it to float in saltwater solutions. Carat weight affects the price per carat of gemstones. Understanding heft can aid in gem identification. Gemmologists often use digital scales for precise measurements. Engagement with listeners enhances the podcast experience. gemmology, weight, density, specific gravity, gemstones, Archimedes, hydrostatic weighing, heavy liquids, carat weight, gem identification, gemology

Send us a text In this episode of FacetNation, Lucinda and Simon delve into the essential aspects of gem durability, focusing on hardness, toughness, and stability. They discuss the Mohs scale of hardness, the importance of understanding these properties for both gemologists and jewellery enthusiasts, and practical tips for caring for gemstones. The conversation also covers the differences between fracture and cleavage, the impact of chemical stability on gems, and how to properly maintain and wear jewellery. The episode concludes with listener engagement and a shout-out to dedicated fans. Takeaways Understanding durability is crucial for gemmologists and jewellery lovers. Hardness, toughness, and stability are the three main aspects of durability. The Mohs scale helps determine a gemstone's hardness. Toughness refers to a material's ability to resist fracture. Stability involves a gem's resistance to chemical and physical changes. Different gemstones have varying levels of durability and care requirements. Fracture and cleavage are important concepts in gemmology. Chemical stability can affect the appearance and longevity of gemstones. Proper care can prevent damage to valuable gems. Engaging with listeners enhances the podcast experience. Titles The Essential Guide to Gem Durability Understanding Gemstone Hardness and Toughness Sound bites ""You need to know them stone for stone."" ""Last on and first off for pearls."" ""Don't put your tourmalines in the ultrasonic, y'all."" Chapters 00:00 Understanding Durability in Gemstones 02:57 The Importance of Hardness 05:33 Mohs Scale of Hardness Explained 08:08 Identifying Gemstones by Hardness 10:44 Toughness and Durability in Gemstones 13:19 The Role of Friedrich Mohs 15:48 Practical Applications of Hardness Testing 20:46 Understanding Hardness and Scratch Testing 24:44 Identifying Composite Materials and Their Characteristics 26:28 Differential Hardness Explained 30:35 The Art of Cleaving Diamonds 34:21 Modern Techniques in Diamond Cutting 35:53 Differential Hardness in Other Gemstones 41:08 The Streak Test: A Practical Approach 45:36 Toughness vs Hardness in Gemstones 46:18 Thermal Expansion and Gemstone Integrity 47:46 The Dark Side of Crackled Quartz 49:09 Understanding Fractures in Gemstones 50:53 Cleavage vs. Fracture: Key Differences 52:50 The Importance of Cleavage in Gem Identification 54:35 Incipient Cleavage: A Hidden Danger 56:21 Stability: The Third Pillar of Durability 01:01:11 Chemical Vulnerabilities of Gemstones 01:04:29 Porosity and Its Impact on Stability 01:06:24 Final Thoughts on Gem Durability gemmology, durability, hardness, toughness, stability, Mohs scale, gemstones, jewellery care, fracture, cleavage, gemology

Send us a text In this episode of Facet Nation, Lucinda and Simon explore the spooky side of gemstones, discussing Halloween traditions, recent robberies in the gem industry, and the history of cursed stones. They delve into tales of the Black Orlov diamond, the Bahia Emerald, The Black Prince's Ruby, and the infamous Hope Diamond, revealing the dark stories and misfortunes associated with these gems. Takeaways Halloween is a significant cultural event in America. The UK is slowly adopting American traditions like Halloween. Recent robberies in the gem industry highlight security issues. The Louvre robbery was a simple yet bold heist. Cursed gemstones have fascinating histories and folklore. The Black Orlov diamond is linked to multiple tragic deaths. The Bahia emerald has a history of misfortune for its owners. The Black Prince's ruby is associated with the downfall of monarchs. The Hope diamond has a legacy of tragedy and misfortune. Curses often stem from the act of stealing sacred objects. Titles Cursed Gems: The Dark Side of Beauty Halloween and the Haunting of Gemstones Sound Bites "Simon was the ringleader." "It's a bit weird." "The no hope diamond." Chapters 00:00 Halloween and Its Cultural Significance 02:56 Recent Robberies in the Gem Trade 05:42 The Louvre Robbery: A Closer Look 08:24 Hatton Garden Heist: A Shocking Incident 11:05 The Emotional Weight of Jewellery 13:18 Cursed Gemstones: An Introduction 15:45 The Black Orlov: A Cursed Diamond 20:30 The Curse of the Black Orlov Diamond 24:27 The Bahia Emerald: A Tale of Misfortune 30:04 The Black Prince's Ruby: A Royal Curse 38:31 The Legacy of Cursed Gems 38:53 Historical Figures and Their Legacies 41:03 The Curse of the Hope Diamond 54:18 Cursed Gems and Their Stories Keywords Halloween, gemstones, robberies, cursed stones, folklore, jewellery, history, spooky stories, gemmology, folklore, jewelry, gemology, diamond

Send us a text In this episode, Lucinda and Simon dive deep into the fascinating world of Beryl gemstones, exploring its various types, including Emerald, Aquamarine, and Bixbite. They discuss the geological formation of Beryl, its unique characteristics, and the treatments often applied to enhance its appearance. The conversation also touches on the rarity of certain Beryl varieties and the importance of understanding inclusions and localities in gemmology. With a mix of humour and insightful information, the hosts provide a comprehensive overview of this captivating gemstone family. Takeaways Beryl is a family of gemstones that includes Emerald, Aquamarine, and more. Emerald is unique within the Beryl family due to its colour and rarity. Beryl in its pure form is colourless and known as Goshenite. Emeralds are brittle and require special care when setting. Aquamarine is often heat-treated to enhance its blue colour. Bixbite, or red Beryl, is extremely rare and valuable. Emeralds often contain inclusions, making them unique. Goshenite is colourless and comes from Goshen, Massachusetts. Maxixe Beryl fades in sunlight, making it a unique case. Understanding the geology of Beryl helps in identifying its varieties. Sound Bites "Emerald is its own beast." "Just say Mica and move on." "Aquamarine means seawater." Chapters 00:00 Introduction to Beryl and Gemstones 03:02 Exploring the Beryl Family 05:58 Geology and Formation of Beryl 08:37 Emerald: The Unique Gemstone 11:22 Emerald's Rarity and Value 14:18 Emerald's Characteristics and Challenges 16:55 Emerald Cut and Its Significance 19:26 Emerald Varieties and Misconceptions 24:12 Distinctive Styles and Family Dynamics 26:29 Emerald Inclusions and Their Significance 28:14 Emerald Localities: Colombia vs. Zambia 32:51 Emerald Testing Techniques 36:31 Emerald Treatments and Their Implications 42:51 Synthetic Emeralds: Understanding the Differences 45:02 Understanding Synthetic Emeralds 49:37 Exploring Aquamarine: Characteristics and Treatments 55:39 Identifying Aquamarine vs. Blue Topaz 56:47 The Unique Properties of Heliodor and Morganite 58:27 The Rarity and Value of Bixbite 01:00:53 Goshenite and Maxixe Beryl: Lesser-Known Varieties Keywords Beryl, Emerald, Aquamarine, Gemmology, Gemstones, Crystallography, Geology, Treatments, Inclusions, Rare Gems