33. Tourmaline Part One: Conquistadors and the party where everyone's invited

38. End of Season 1: Fashioning Part Two - Gemstone faceting techniques

Send us Fan Mail [https://www.buzzsprout.com/2533450/fan_mail/new] This episode explores the intricate process of diamond manufacturing, from designing and marking to shaping, faceting, and polishing. Hosted by gemmologists Simon and Lucinda, it offers detailed insights into cutting techniques, tools, and the science behind creating stunning gemstones. End of Season One. THANK YOU FOR LISTENING. We will be back, enjoy your summer  key  topics Diamond designing and marking Dividing and cleaving methods Shaping and faceting techniques Polishing and final finishing Tools and equipment used in gem cutting Mastering Diamond Cutting: From Rough to Brilliant The Art and Science of Gemstone Faceting  sound bites "Only diamond can cut a diamond" "Lasers cut diamonds in twenty minutes" "Start with the pavilion, then the crown" Chapters 00:00 Introduction to Gemmology and Diamond Manufacturing 02:35 The Process of Cutting Diamonds 05:13 Dividing and Shaping Diamonds 08:03 Bruting and Faceting Diamonds 10:28 The Role of Technology in Diamond Cutting 13:26 Understanding Diamond Facets and Angles 15:46 Lapidary: The Art of Gemstone Cutting 18:48 Understanding Facet Diagrams 21:24 Dopping Techniques and Adhesives 24:49 The Faceting Process Begins 28:19 Grit Sequence and Polishing 32:31 Cutting the Crown Facets 36:58 Final Steps and Reflections 39:49 Looking Ahead: Future Plans and Wrap-Up  resources Gemology Project - Facet Diagrams - https://gemologyproject.com Ultratech Gem Faceting Machines - https://ultratec.com Andrew Ian Brown's Gemstone Design Books - https://www.amazon.com/s?k=Andrew+Ian+Brown+gemstone+design Instagram - https://instagram.com/gemmology_si diamond manufacturing, gemmology, faceting, cutting techniques, gemstone design, diamond polishing, gemmology course, gemstone tools, gemmology education Support the show [https://www.buzzsprout.com/2533450/support]

37. Gemstone Fashioning Part One: An Overview for Gemmology Study

Send us Fan Mail [https://www.buzzsprout.com/2533450/fan_mail/new] In this episode, Lucinda and Simon explore the fascinating world of gemstone cutting and fashioning, covering essential terminology, techniques, and historical insights crucial for gemologists and enthusiasts alike.  key  topics Gemstone cutting terminology Differences between lapidary and diamond manufacturing Factors influencing gemstone cut decisions Historical gem cutting techniques and innovations Practical tips for evaluating rough stones Gem Cutting Vocabulary Diamond Manufacturing Process Gemstone Cut Optimization Review gemstone terminology regularly Practice evaluating rough stones before cutting Explore historical gem cutting techniques Titles Mastering Gemstone Cutting: Techniques, History, and Industry Insights The Art and Science of Gem Cutting: A Comprehensive Guide  sound bites "The old mine cut has a rich history." "Inlays and carvings add artistic value." "A break in gem cutting is coming soon." Chapters 00:00 Introduction to Gemmology and Cutting Gemstones 03:01 The Importance of Understanding Gemstone Cuts 05:43 Insights from Gem Cutting Experts 08:26 The Process of Fashioning Gemstones 11:09 Types of Gemstone Fashioning 13:58 Evaluating Rough Gemstones 16:37 Key Factors in Gemstone Cutting 19:13 Understanding Diamond Manufacture 21:58 Historical Perspectives on Gem Cutting 24:42 Modern Trends in Gem Cutting 27:24 Conclusion and Future of Gem Cutting 29:12 Understanding Diamond Cuts and Their History 32:29 The Anatomy of a Diamond: Key Features 34:51 Exploring Brilliant Cut Stones 36:42 Step Cuts vs. Brilliant Cuts: A Comparison 38:04 The Evolution of Rose Cuts and Mixed Cuts 40:32 Fantasy Cuts: The Art of Gemstone Cutting 41:35 Cabochons: The Gateway to Gem Cutting 44:25 Beads, Cameos, and Intaglios: Decorative Techniques 46:10 Carvings, Inlays, and Mosaics: Artistic Expressions The V&A Museum Gem Collection - https://www.vam.ac.uk/collections/gems UK Facet Cutters Guild - https://ukfcg.org/  guest links Instagram - https://instagram.com/facetnationgemmology Email - mailto:facetnation@facetnation.co.uk gemmology, gemstone cutting, gem fashioning, gemmology exam, gem cutter, gemstone shapes, diamond manufacturing, gemmology history, gemstone grading, jewellery industry Support the show [https://www.buzzsprout.com/2533450/support]

36. Interview: Michelle Mai - Cutting and Designing Gemstones

Send us Fan Mail [https://www.buzzsprout.com/2533450/fan_mail/new] Join Lucinda, Simon, and Michelle Mai as they explore the art and science of precision gem cutting. Discover techniques, tools, design principles, and the inspiring journey of a master gem cutter in this engaging episode. Precision gem cutting techniques Tools and machinery for faceting Design principles for gemstones Materials used in gem cutting The journey of a gem cutter Guest  name Michelle Mai Titles Mastering Precision Gem Cutting: Techniques and Inspiration The Art and Science of Gem Faceting with Michelle Mai  sound bites "Equipment is a huge barrier to entry" "Polishing quartz is challenging for me" "Start with cabochons to learn the basics" Chapters 00:00 Introduction to Precision Gem Cutting 08:09 Michelle's Journey into Gem Cutting 10:53 Understanding Gem Cutting Machinery 13:09 The Learning Curve in Gem Cutting 15:57 Design Principles in Gem Cutting 18:57 Challenges with Different Gem Materials 21:36 Creating Unique Gem Designs 24:36 The Role of Light in Gem Performance 27:00 Inspiration Behind Michelle's Designs 29:59 Favorite Designs and Techniques 32:31 Conclusion and Future Aspirations 35:41 Exploring Favourite Materials in Gem Cutting 37:53 Natural vs. Synthetic Gemstones: A Balanced Perspective 39:48 Navigating Risk and Responsibility in Gem Cutting 44:08 Advice for Aspiring Gem Cutters 51:04 Encouragement for Beginners in Lapidary Arts  resources Amateur Gemstone Faceting Volume One by Tom Herbst - https://www.amazon.com/dp/B07V4V7V4X UK Facet Cutters Guild - https://www.ukfcg.org/ Gem Cut Studio - https://gemcutstudio.com/ Reddit r/shinypreciousgems - https://www.reddit.com/r/shinypreciousgems/  guest links Reddit - https://www.reddit.com/user/MichelleMai Instagram - https://www.instagram.com/michellemai/ gem cutting, gemmology, precision faceting, gemstone design, gem tools, gemstone materials, gem industry, gem education Support the show [https://www.buzzsprout.com/2533450/support]

35. Tourmaline Part II: The King of Tourmaline...?

Send us Fan Mail [https://www.buzzsprout.com/2533450/fan_mail/new] In this episode of FacetNation, Simon and Lucinda delve into the fascinating world of tourmaline, particularly focusing on its significance in San Diego's gemstone history and the impact of the Dowager Empress Cixi on the pink tourmaline market. They explore the rise and fall of the tourmaline industry, the unique characteristics of the stone, and the methods used to identify it. The conversation is rich with historical anecdotes and insights into the gemmology field, making it an engaging listen for enthusiasts and newcomers alike. Also in this episode, Lucinda and Simon delve into the fascinating world of tourmaline, exploring its color variations, treatments, and the rise of Paraiba tourmaline as a highly sought-after gemstone. They discuss the geological origins of Paraiba tourmaline, its global appeal, and highlight famous examples, including the Ethereal Carolina Divine Paraiba. The episode concludes with a look at the stunning Liddicoat tourmaline slice, showcasing the beauty and complexity of this remarkable gemstone. Tourmaline is a significant gemstone with various types. San Diego has a rich history of gemstone mining. The Dowager Empress Cixi played a crucial role in popularising pink tourmaline. Zixi's love for pink tourmaline influenced the gemstone market. The decline of the tourmaline market followed Cixi's death. Testing tourmaline requires specific techniques due to its colour variations. Tourmaline can be mistaken for other gemstones. Historical context enhances the value of gemstones. Gemstones often have fascinating stories behind them. Understanding gemstone history can enrich appreciation for them. Some stones show two completely different colours. Watermelon tourmalines need both pleochroic responses listed. Tourmaline can be treated to enhance colour. Paraiba tourmaline is the most valuable type. The discovery of Paraiba tourmaline changed the market. Paraiba tourmaline's price skyrocketed due to rarity. Geological events created the conditions for tourmaline formation. Nigerian and Mozambican tourmalines are similar to Brazilian Paraiba. Famous tourmalines often have historical significance. The Liddicoat tourmaline slice is a stunning example of tourmaline beauty. The Allure of Tourmaline: A Gemstone Journey Unveiling San Diego's Gemstone Secrets The Legacy of the Dowager Empress Cixi Tourmaline: From Mine to Market "She banned foot binding." "It's a serious bottleneck." "It's called Heitorita." "It looks like stained glass." Chapters 00:00 Introduction to Tourmaline Part Two 02:30 Exploring San Diego's Gemstone History 05:57 The Dowager Empress Cixi and Pink Tourmaline 17:20 The Decline of the Tourmaline Market 18:22 Testing Tourmaline: Identification Techniques 22:01 Understanding Tourmaline's Colour Variations 25:01 The Treatment and Enhancement of Tourmaline 26:17 The Discovery of Paraiba Tourmaline 30:39 The Rise of Paraiba Tourmaline's Value 34:00 Geological Origins of Paraiba Tourmaline 38:25 The Global Appeal of Paraiba Tourmaline 39:05 Famous Paraiba Tourmalines and Their Significance 42:30 The Liddicoat Tourmaline Slice and Its Beauty tourmaline, gemstones, San Diego, Dowager Empress Cixi, gemmology, pink tourmaline, gemstone testing, history, gem market, California tourmaline, Paraiba tourmaline, gemstone treatment, colour variations, gemmology, gemstone value, geological origins, famous gemstones, Liddicoat tourmaline Support the show [https://www.buzzsprout.com/2533450/support]

34. Gemstone Colour: Charge Transfer and Colour Centres

Send us Fan Mail [https://www.buzzsprout.com/2533450/fan_mail/new] Explore the fascinating science of gemstone colour, focusing on charge transfer mechanisms, the role of ions, and how treatments like heat affect gemstone hues. Perfect for gemmology enthusiasts and professionals alike.  key topics Charge transfer in gemstones Colour centres and defects Effects of heat treatment on gemstone colour Titles The Science Behind Gemstone Colours: Charge Transfer Explained Unlocking the Secrets of Sapphire and Diamond Colours  sound bites "Blue sapphire's colour is a football match of ions." "Charge transfer mechanisms reveal gemstone secrets." Chapters 00:00 Introduction to Colour in Gemmology 02:53 Understanding Charge Transfer in Gemstones 05:35 Oxygen to Metal Charge Transfer 08:28 Metal to Metal Charge Transfer: The Sapphire Story 10:58 Organic Molecular Electron Transition 16:22 Colour Centres in Diamonds 22:39 The Science of Synthetic Diamonds 25:27 Understanding Green Diamonds 27:44 The Mystery of Pink Diamonds 30:48 Exploring Colour Centers in Diamonds 35:28 The Future of Gemmology and Podcasting resources Gem-A Gemmology Course - https://gem-a.com/education Instagram - https://instagram.com/facetnationgemmology Email - mailto:facetnation@facetnation.co.uk gemmology, gemstone colour, charge transfer, sapphire, diamond, heat treatment, colour centres, spectroscopy, mineralogy Support the show [https://www.buzzsprout.com/2533450/support]