Emily Coulter | The Crystal Geologist

Digging Deeper, The Crystal Case Studies Podcast

Science EN ↓ 23 episodes

Uncover the ancient geological story locked within your crystals, gemstones, and minerals with the Crystal Case Studies podcast. Join our host Emily Coulter, an expert geologist with a seven year academic foundation in Geology and a profession within the crystal wholesale industry, and tune in for a sparkling journey through the geology, science, history, and mystery of beloved crystals from around the world. Regular interviews with crystal industry experts, collectors, and enthusiasts who share their knowledge, stories, crystal healing expertise, and insights into the crystal sourcing market.

Author

Emily Coulter | The Crystal Geologist

Category

Science

Podcast website

crystalcasestudies.com

Latest episode

Nov 4, 2025

Where to listen?

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Episodes

NOVEMBER UPDATE: Mini-Classes, 2nd Birthday, London Gem & Mineral Show 04.11.2025

Hi! This is a quick update from me to tell you about everything that's going on in November. MINI CLASSES LAUNCHING 17th: https://crystalcasestudies.com/crystal-geology-mini-classes/ LONDON GEM & MINERAL SHOW: https://www.thegemandmineralshowuk.com/event-details/public-tickets-the-london-gem-mineral-show-2024-1

UPDATE: Where have I been? 2025 Expectations vs. reality, navigating grief with a business + the podcast moving forward 13.08.2025

Hello! This is a quick (not really) update on where I've been for the last few months. Sorry for abandoning you guys! For any requests, feedback etc drop me an email at emily@crystalcasestudies.com or message me on intagram @crystalcasestudies. Love you all <3

S2 E4 FRENCH GEM SHOW RECAP: Our first year at Sainte-Marie-aux-Mines! With Candice Hamilton, The Spiritual Gemmologist 08.07.2025

Emily and Candice debrief on their first ever trip to the famous Sainte-Marie-aux-Mines gem show in Alsace, France! Join us to hear our favourite finds and best purchases. Everybody mentioned: Gemma López , Artisan Jewellers based in Barcelona L. G. Gemme , Faceted Calcite, based in Milan Les Pierres d'Opalin , Faceted Tanzanites Galerie Saegewerk , Thomas with Chrysoberyl Twins ---------- www...

S2 E3 NICHOLAS PEARSON, THE LUMINOUS PEARL: Near-mythic gemstones, Flint; the threshold between worlds, geology in crystal healing, and the Florida limestone landscape 29.04.2025

Emily is joined by Nicholas Pearson to chat about the importance of geology in crystal healing, near-mythic gemstones, Florida's limestone landscapes, and Nicholas' upcoming release The Witching Stones: The Lore & Craft of the Essential 14 Crystals, Gemstones & Minerals to Empower Your Magic. Nicholas is a popular crystal author, healer, and one of the leading voices in crystal healing tod...

S2 E2 THE TEKTITE EXPERT: Aubrey Whymark of Tektites.info on Moldavite, the lost Philippine meteorite crater, and Obsidianite scams 15.04.2025

Emily is joined by Aubrey Whymark of Tektites.info to chat about TEKTITES! From Moldavite to Australites, Tektites are an extremely famous type of natural glass formed in the seconds following a meteorite impact. This episode dives into the technical aspect of Tektites, and common Tektite scams within the crystal trade. Whether you’re a crystal practitioner, a crystal seller or buyer, or you’re lo...

S2 E1 HERKIMER DIAMONDS: New York's sparkling quartz, anthraxolite inclusions, and a unique formation story 01.04.2025

In this episode of the Crystal Case Studies podcast, Emily uncovers the fascinating geological story of the Herkimer Diamonds of New York - the iconic, very tiny and equally sparkly doubly terminated quartz points. In this episode of Crystal Case Studies, we dive deep into their geological formation and the unique characteristics that make Herkimers special. RECOMMENDED READING: Collector's Guide...

Emily returns with Season 2 of the Crystal Case Studies podcast! 25.03.2025

Emily is back with another season of the Crystal Case Studies podcast, the place with interesting and relevant geology for the crystal healing community. Whether you’re a crystal practitioner, a crystal seller or buyer, or you’re looking to deepen your understanding of the science in your stones, then this is the place for you! With deep dives into specific crystals and a range of expert interview...

S1 EP15 LONDON GEM & MINERAL SHOW 2024 RECAP WITH CANDICE HAMILTON: highlights, best bits, favourite crystal finds, and more! 03.12.2024

Emily is joined by Candice Hamilton for their debrief of the 2024 London Gem and Mineral Show! Join them to discuss their highlights, best bits, favourite crystal finds, and more! This recap is your backstage pass to one of the year's most exciting crystal shows. Plus, watch our very first video episode! Everybody mentioned: Katie’s Kundalini Crystals - @kkcrystals Ade from Northwest Crystals - @n...

S1 EP14 THE SPIRITUAL GEMMOLOGIST, CANDICE HAMILTON: London Gem & Mineral Show 2024 and Future Plans 19.11.2024

Emily is joined by Candice Hamilton, the Spiritual Gemmologist and owner of Self & Others to talk about their upcoming appointment at the London Gem and Mineral Show 2024, and other exciting future plans. Book tickets to the London Gem & Mineral Show 23rd and 24th November here @selfandothers.co www.selfandothers.co.uk ---------- @crystalcasestudies www.crystalcasestudies.com ---------- 00...

S1 EP13 GEOLOGY FOR DUMMIES: Seismic Swifties, planetary geology, and will the dinosaurs come back? 05.11.2024

Emily is joined by her non-geologist sister, Sophie, to cover Geology for Dummies. Join them to chat about the Yellowstone supervolcano, seismic Swifties, whether Dinosaurs will re-evolve, and rocks in space. ---------- www.crystalcasestudies.com @crystalcasestudies ---------- 00:00 Intro 01:22 Where does magma come from? 04:36 Will Yellowstone erupt? 12:58 How do people know what dinosaurs looked...

S1 EP12 DR LUCY CONNOR: Science, Spirituality, and Finding Your Path. 29.10.2024

Emily chats to Dr Lucy Connor, co-owner of Darkside of The Moon Crystals, and registered medical practitioner. Lucy discovered holistic modalities after training and working as a medical professional, and we have bonded through discussion of the overlaps and considerable gaps between Western medicine and holistic practice. @darkside_of_the_moon_crystals www.darksideofthemooncrystals.com ----------...

S1 EP11 LUISA HENDRY THE SCOTTISH GEOLOGIST: Metamorphic crystals, the Great Glen Fault, and geoscientists in Hollywood. 22.10.2024

Emily talks to Luisa Hendry @scottishgeologist about Scottish Geology, metamorphic minerals and crystals, Geology in schools, the Great Glen Fault, and the short lives of geoscientists in Hollywood. Luisa is a full time geology communicator, producing educational digital content and running regular hands-on Scottish geology tours for beginners and enthusiasts alike. IG @scottishgeologist TT @scott...

S1 EP10 PYRITE: the golden Navajún Cubes and Illinois Suns; a crystal case study with Gemma Petherbridge. 17.09.2024

In this episode of their regular series, Emily is joined by Gemma Petherbridge - expert crystal healing teacher, three-times author, and founder of the Crystal Mystery School. This week Emily and Gemma uncover the geology, history, and metaphysical properties of pyrite, the beautiful golden iron-sulphide crystal which famously grows in perfect cubes and was once mistaken for real gold. ----------...

S1 EP9 WHITBY JET CAN ABSORB YOUR ENERGY?!! Sarah Caldwell Steele on Jet through human history, the Victorians, and jet-workers heritage. 27.08.2024

In this episode of Crystal Case Studies, Emily is joined by Sarah Caldwell Steele FGA DGA, the accredited gemmologist, geologist, and doctoral researcher who is internationally regarded as the world's leading expert on black gemstone identification. Sarah's obsession with jet started at 7 years old, when a lifelong relationship with this captivating material began. Sarah has worked this gemstone f...

S1 EP8 ELESTIAL QUARTZ: the Goboboseb mountains, fenster quartz & skeletisation; a crystal case study with Gemma Petherbridge. 20.08.2024

In this episode of their regular series, Emily is joined by Gemma Petherbridge, a crystal-healing teacher, three-times author, and founder of the Crystal Mystery School. This week Emily and Gemma uncover the geology, history, characteristics and common healing uses of elestial quartz, with a case study on the beautiful specimens coming from the mountainous Goboboseb region of Namibia. Buy Gemma's...

S1 EP7 APOPHYLLITE: the Dinosaur extinction, rivers of Lava, a DIY science project *London Gem & Mineral Show Talk 2023* 07.08.2024

In this episode of Crystal Case Studies, Emily deep dives into Apophyllite, the sparkly crystal from the colossal and ancient lava flows on the Indian subcontinent. Join us on a journey through time as we delve into the origins of Indian Apophyllite: a crystal collectors favourite with unique ties to the Dinosaur mass extinction. __________ www.crystalcasestudies.com @crystalcasestudies __________...

S1 EP6 LEPIDOLITE: the purple pegmatite with electric potential; a Cornish crystal case study with Gemma Petherbridge. 09.07.2024

In this episode of their regular series, Emily is joined by Gemma Petherbridge, a crystal-healing teacher, three-times author, and founder of the Crystal Mystery School. This week Gemma and Emily uncover the geology, history, characteristics and common healing uses of lepidolite, with a crystal case study on the lepidolite deposits in Cornwall which may be the UK's answer to a domestic resource fo...

S1 EP5 PINK AMETHYST: Patagonian geodes, iron staining, and is it *really* amethyst? 02.07.2024

In this episode of Crystal Case Studies, Emily deep dives into Pink Amethyst, the glittering pink geodes from the Patagonian desert. Join us on a journey through time as we delve into the origins of Patagonian Pink Amethyst: a newer Amethyst find with a unique colouring mechanism contrary to mineralogical definitions. Purchase the referenced paper here: The Mineralogical Record Vol. 51 -----------...

S1 EP4 ROSE QUARTZ: Ancient Madagascan pegmatites with pink cores and asterism; a crystal case study with Gemma Petherbridge. 18.06.2024

In the first joint episode of their regular series, Emily is joined by Gemma Petherbridge, a crystal-healing teacher, three-times author, and founder of the Crystal Mystery School. This week Gemma and Emily uncover the geology, history, characteristics and common healing uses of rose quartz. ---------- ⁠www.crystalcasestudies.com⁠ ⁠@ crystalcasestudies www.gemmapetherbridge.com @ gemmapetherbridge

S1 EP3 GEMMOLOGY: Candice Hamilton on gemstones, crystal enhancements, and Self & Others. 04.06.2024

Emily talks to Candice Hamilton, Gemmologist and founder of Self & Others, a crystal-focused wellness and lifestyle brand. Growing up in South Africa, Candice’s love of mixing the science and magic of gemstones started at a young age and came from her spiritual mom and rockhound brother. It was only in 2020 though that she decided to bring these worlds together to create Self & Others. ---...

S1 EP2 OPAL: water-born rainbows in the Australian desert, silica spheres and mineral classification. 02.04.2024

In this episode of Crystal Case Studies, Emily deep dives into Opal, the mesmerising mineraloid from Australia's parched desert plains. Join us on a journey through time as we delve into the origins of Australian Opal: watery kaleidoscopes of colour from one of the driest places on Earth. ----------- @crystalcasestudies www.crystalcasestudies.com ---------- References: The Australian Gemmologist,...

S1 EP1 MOLDAVITE: the green Czech tektite born from a meteorite, viral fame, and a German town built from diamonds. 05.03.2024

Emily the geologist talks about Moldavite, the infamous green tektite from the Czech Republic - and how this 'crystal' has come from the dirt in farmers fields to being a viral TikTok sensation. Join us on a journey through time and space and delve into the celestial origins of Moldavite and a meteorite impact which birthed the German Town of Diamonds. ---------- @crystalcasestudies www.crystalcas...

Crystal Case Studies - Coming 5th March 27.02.2024

Are you interested in Crystal Geology and Minerals? Are you in the crystal trade, or a crystal enthusiast? On Crystal Case Studies we deep dive into crystals, gemstones, and minerals. If this is your thing, follow along for more! _________ www.crystalcasestudies.com @crystalcasestudies

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