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Digging Deeper, The Crystal Case Studies Podcast
Emily Coulter | The Crystal Geologist
23 episodes
1 day ago
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.
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Earth Sciences
Science
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All content for Digging Deeper, The Crystal Case Studies Podcast is the property of Emily Coulter | The Crystal Geologist and is served directly from their servers with no modification, redirects, or rehosting. The podcast is not affiliated with or endorsed by Podjoint in any way.
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.
Show more...
Earth Sciences
Science
Episodes (20/23)
Digging Deeper, The Crystal Case Studies Podcast
NOVEMBER UPDATE: Mini-Classes, 2nd Birthday, London Gem & Mineral Show

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

Show more...
1 day ago
7 minutes 3 seconds

Digging Deeper, The Crystal Case Studies Podcast
UPDATE: Where have I been? 2025 Expectations vs. reality, navigating grief with a business + the podcast moving forward

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

Show more...
2 months ago
39 minutes 57 seconds

Digging Deeper, The Crystal Case Studies Podcast
S2 E4 FRENCH GEM SHOW RECAP: Our first year at Sainte-Marie-aux-Mines! With Candice Hamilton, The Spiritual Gemmologist

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.crystalcasestudies.com

@crystalcasestudies

www.selfandothers.com

@selfandothers.co

----------

00:00 Intro

01:56 About the show

08:06 Favourite finds

17:51 Other highlights

21:50 Favourite purchases

27:27 Outro

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4 months ago
28 minutes 37 seconds

Digging Deeper, The Crystal Case Studies Podcast
S2 E3 NICHOLAS PEARSON, THE LUMINOUS PEARL: Near-mythic gemstones, Flint; the threshold between worlds, geology in crystal healing, and the Florida limestone landscape

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 today, with over 30 years experience in every facet of the industry. Nicholas lives in Orlando, FL, and you can learn more about his work at www.theluminouspearl.com

Preorder your copy of The Witching Stones!

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 interviews, there’s something here for everyone! To stay up to date on the crystal geology goodness make sure to like and follow on your chosen podcast platform.

----------

GEOLOGY FOR CRYSTAL HEALERS:

⁠Live Workshops & Prerecorded Mini Classes⁠

⁠www.crystalcasestudies.com⁠

⁠@crystalcasestudies⁠

----------

00:00 Intro

01:37 Geology of Florida

04:31 Nicholas’s education and current work at the Gillespie Museum

12:20 Early memories of crystals

16:17 What brought Nicholas back to his childhood passion?

23:28 Becoming a writer

28:45 Where does ‘The Luminous Pearl’ come from?

32:47 The role of geology in metaphysical crystal work

39:16 Beryls: Science meets spirituality

48:37 Flint: The threshold between worlds

66:06 Nicholas’s new book, The Witching Stones

79:18 What rock would you ban from Earth forever?

83:36 Outro

Show more...
6 months ago
1 hour 24 minutes 51 seconds

Digging Deeper, The Crystal Case Studies Podcast
S2 E2 THE TEKTITE EXPERT: Aubrey Whymark of Tektites.info on Moldavite, the lost Philippine meteorite crater, and Obsidianite scams

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 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 interviews, there’s something here for everyone! To stay up to date on the crystal geology goodness make sure to like and follow on your chosen podcast platform.

----------

GEOLOGY FOR CRYSTAL HEALERS:

Live Workshops & Prerecorded Mini Classes

www.crystalcasestudies.com

@crystalcasestudies

----------

AUBREY'S RECOMMENDED READING ON TEKTITES:

This booklet probably provides one of the best brief and simplified introductions to tektites: McNamara K., Bevan A. 1985-2001. Tektites. Western Australian Museum. pp. 38. Out of Print.

This reference is probably one of the more comprehensive recent works which is reasonably straightforward: McCall G. J. H. 2001. Tektites in the Geological Record: Showers of Glass from the Sky. The Geological Society, London. (In print but can be expensive, affordable through The Geological Society, London (often on sale).)

Other references include:

Barnes V. E., Barnes M. A. (Eds.) 1973. Benchmark Papers in Geology: Tektites. Dowden, Hutchinson & Ross, Inc. Out of Print but commonly available at a reasonable price.

Heinen G. 1998. Tektites, Witnesses of Cosmic Catastrophes. Imprimerie' Linden, Luxemburg. 221p. Also published in German as 'Tektite, Zeugen Kosmischer Katastrophen'.  Out of Print.

Hurtig M. 2017. Moldavite und ihre Fundschichten in der Lausitz und in angrenzenden Gebieten. Veröffentlichungen des Museums der Westlausitz Kamenz Sonderheft. 233 pp.  Available.

McCall G. J. H. 2001. Tektites in the Geological Record: Showers of Glass from the Sky. The Geological Society, London. In print but can be expensive, affordable through The Geological Society, London (often on sale).

McColl D. 2017. Australia's Little Space Travellers. The Flight Shaped Tektites of Australia. Springer 64 pp. In Print.

O'Keefe J. A. 1976. Tektites and their Origin. Elsevier Scientific Publishing Company. Amsterdam. pp. 254. Out of Print. Hancock L. 2008 version (different format) available free at http://originoftektites.com/index.php

O'Keefe J. A. (Ed.) 1963. Tektites. The University of Chicago Press. Out of Print but commonly available at a reasonable price.

Glass B. P., Simonson B. M. 2013. Distal Impact Ejecta Layers: A Record of Large Impacts in Sedimentary Deposits. Springer. 716 pp. In print, but expensive.

----------

00:00 Intro

02:09 Tektites

09:13 How did Aubrey's interest in Tektites start?

11:29 The Australasian strewn field

18:04 Tektite morphology

31:29 How are Tektites formed?

34:23 Mystery Australasian impact site

60:17 Volatiles in Tektites 

65:09 Tektite colour

67:47 Are Pseudo-Tektites Tektites?

74:51 Tektite sculpture

81:51 Aubrey's favourite tektites

87:25 What would happen in the event of an asteroid impact today?

92:59 How to stay up to date with Aubrey's research

Show more...
6 months ago
1 hour 42 minutes 19 seconds

Digging Deeper, The Crystal Case Studies Podcast
S2 E1 HERKIMER DIAMONDS: New York's sparkling quartz, anthraxolite inclusions, and a unique formation story

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 to Quartz and other Silica Minerals, Robert J. Lauf

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 interviews, there’s something here for everyone! To stay up to date on the crystal geology goodness make sure to like and follow on your chosen podcast platform.

Starting this season most of our episodes will be available in a video format to watch on ⁠Spotify ⁠and ⁠YouTube ⁠allowing you to not only hear but see the fascinating crystals and geological formations we discuss.

----------

GEOLOGY FOR CRYSTAL HEALERS:

Live Workshops & Prerecorded Mini Classes⁠⁠

www.crystalcasestudies.com⁠⁠

@crystalcasestudies

----------

​​00:00 Intro

01:08 Recommendation: The Collector’s Guide to Quartz

02:32 Herkimer basics

05:34 Formation of Herkimers

08:06 Geological story of Herkimers

19:14 Anthraxolite 

21:42 Herkimer identification

26:24 Key takeaways 

27:12 Outro

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7 months ago
27 minutes 32 seconds

Digging Deeper, The Crystal Case Studies Podcast
Emily returns with Season 2 of the Crystal Case Studies podcast!

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 interviews, there’s something here for everyone! To stay up to date on the crystal geology goodness make sure to like and follow on your chosen podcast platform.

Starting this season most of our episodes will be available in a video format to watch on Spotify and Youtube allowing you to not only hear but see the fascinating crystals and geological formations we discuss.

----------

GEOLOGY FOR CRYSTAL HEALERS:

Live Workshops & Prerecorded Mini Classes

www.crystalcasestudies.com

@crystalcasestudies

Show more...
7 months ago
1 minute 35 seconds

Digging Deeper, The Crystal Case Studies Podcast
S1 EP15 LONDON GEM & MINERAL SHOW 2024 RECAP WITH CANDICE HAMILTON: highlights, best bits, favourite crystal finds, and more!

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 - @northwestcrystalsuk

Charlotte from Soul Chak - @soulchak

Laura Miles Jewellery - www.laura-miles.com/

Sarah Caldwell Steele - www.eborjetworks.co.uk

Veracruz Amethyst from Essential Crystals - @essential.crystals_ /  +44 7794 639544

Gemstones of East Africa - @gemstones_of_east_africa

Justin Prim - @justinkprim

Amy and Adeline from Rose Cottage Crystals: @rosecottagecrystals

Geminological Crystals & Minerals

Stardust Crystals - @stardust_crystals_uk

--------------

00:00 Intro
01:44 Our Talks and Workshops
07:42 Best Talks
12:00 Best crystal find
18:32 Most touching moment

24:40 Favourite encounters
35:17 Most unique stand

Show more...
11 months ago
44 minutes 18 seconds

Digging Deeper, The Crystal Case Studies Podcast
S1 EP14 THE SPIRITUAL GEMMOLOGIST, CANDICE HAMILTON: London Gem & Mineral Show 2024 and Future Plans

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

----------

00:00 Intro
02:33 What is Spiritual Gemmology?
06:14 Treated crystals and expensive mistakes
13:17 What has prompted Candice's turn to gemmology?
19:03 What to expect from The Spiritual Gemmologist
25:35 London Gem & Mineral Show 2024
28:06 Stay in touch!

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11 months ago
30 minutes 29 seconds

Digging Deeper, The Crystal Case Studies Podcast
S1 EP13 GEOLOGY FOR DUMMIES: Seismic Swifties, planetary geology, and will the dinosaurs come back?

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 like?
18:23 Could we ever get dinosaurs again?
25:24 How are dinosaur footprints preserved?
29:23 What is an ammonite?
32:33 Does time pass differently on different planets?
36:04 Noises from space
37:53 Are there crystals and minerals on other planets?
42:40 How does water get trapped in some stones?
45:31 If you looked at Earth from a distance, would you see into the past?
48:14 What is the stuff that comes out the back of planes?
49:40 Could all the Swifties cause an earthquake?
56:46 Will Earth ever get so heavy that it collapses?
62:06 Are we going to run out of space on Earth?
67:17 Why do some areas have so many fossils?
73:58 What's the best way to look after geology specimens?

Show more...
1 year ago
1 hour 17 minutes 24 seconds

Digging Deeper, The Crystal Case Studies Podcast
S1 EP12 DR LUCY CONNOR: Science, Spirituality, and Finding Your Path.

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

----------

@crystalcasestudies

www.crystalcasestudies.com

----------

00:00 Intro
01:14 Experience in western medicine
09:47 Developing a passion for crystals into a business
22:11 Relationship between crystal healing and western medicine
28:53 How crystal healing works for Lucy
36:56 How western and eastern medicine can complement each other
48:03 Wellness is more than not being ill
52:11 What advice would Lucy give to her past self
60:25 How to get in touch with Lucy

Show more...
1 year ago
1 hour 1 minute 37 seconds

Digging Deeper, The Crystal Case Studies Podcast
S1 EP11 LUISA HENDRY THE SCOTTISH GEOLOGIST: Metamorphic crystals, the Great Glen Fault, and geoscientists in Hollywood.

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 @scottishgeologist

www.scottishgeologist.co.uk

----------

@crystalcasestudies

www.crystalcasestudies.com

Live Virtual Crystal Workshops

---------- 00:00 Meet Luisa
07:10 Geotechnical Engineering
12:06 Geology of Scotland
23:26 Reading Earth's Stories
32:13 The UK's Only Magnetic Mountain
35:43 The Oldest Rock in the UK, Lewisian Gneiss
40:31 Geological Faulting in Scotland
46:16 Geologists in Hollywood
52:24 Stay In Touch with Luisa

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1 year ago
56 minutes 6 seconds

Digging Deeper, The Crystal Case Studies Podcast
S1 EP10 PYRITE: the golden Navajún Cubes and Illinois Suns; a crystal case study with Gemma Petherbridge.

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.

----------

www.crystalcasestudies.com

@crystalcasestudies

www.gemmapetherbridge.com

@gemmapetherbridge

---------- 00:00 Intro
00:48 Geological Story
10:56 Metaphysical Properties
26:09 Discussion

Show more...
1 year ago
34 minutes 31 seconds

Digging Deeper, The Crystal Case Studies Podcast
S1 EP9 WHITBY JET CAN ABSORB YOUR ENERGY?!! Sarah Caldwell Steele on Jet through human history, the Victorians, and jet-workers heritage.

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 for over 35 years and regularly travels to engage with jet-working communities across the continents. Alongside making jet jewellery for their beautiful shop, the Ebor Jetworks in Whitby, Sarah is regularly asked to consult and perform classes and workshops for gem conferences around the world.

I was astounded by the unique expertise and experience shared here - this is a very special episode.

----------

@jetrockgirl

Sarah's Research Blog

@eborjetworks

www.eborjetworks.co.uk

---------- 00:00 Intro
00:56 Doctoral Research in Jet
09:41 Geology of Whitby Jet
22:38 Jet Through Early Human History
32:16 Types of Jet
48:25 Jet Simulants
68:14 Buying Jet, Retail & Wholesale
70:45 Jet's Triboelectric Properties
85:08 Preserving Jet's Cultural Significance

Show more...
1 year ago
1 hour 30 minutes 16 seconds

Digging Deeper, The Crystal Case Studies Podcast
S1 EP8 ELESTIAL QUARTZ: the Goboboseb mountains, fenster quartz & skeletisation; a crystal case study with Gemma Petherbridge.

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 new book, The Crystal Almanac.

----------

www.crystalcasestudies.com

@crystalcasestudies

----------

00:00 Intro
00:53 Geology
15:23 Metaphysical Properties
35:32 Discussion

Show more...
1 year ago
45 minutes 20 seconds

Digging Deeper, The Crystal Case Studies Podcast
S1 EP7 APOPHYLLITE: the Dinosaur extinction, rivers of Lava, a DIY science project *London Gem & Mineral Show Talk 2023*

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

__________

00:00  Intro
02:26  Chemical structure
05:26  Try this at home
07:25  Geology
07:44  The Deccan Traps
11:44  The Dinosaurs
14:54  Gas bubbles in lava
17:50  Secondary mineralisation
21:51  Mining
22:29  Metaphysical properties

Show more...
1 year ago
25 minutes 43 seconds

Digging Deeper, The Crystal Case Studies Podcast
S1 EP6 LEPIDOLITE: the purple pegmatite with electric potential; a Cornish crystal case study with Gemma Petherbridge.

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 for electric lithium batteries.

----------

www.crystalcasestudies.com

@crystalcasestudies ----------

00:00 Intro

01:26 Overview

08:31 Metaphysical properties

18:28 Geology

46:08 Discussion

Show more...
1 year ago
56 minutes 8 seconds

Digging Deeper, The Crystal Case Studies Podcast
S1 EP5 PINK AMETHYST: Patagonian geodes, iron staining, and is it *really* amethyst?

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 ----------- @crystalcasestudies

www.crystalcasestudies.com

----------


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1 year ago
25 minutes 20 seconds

Digging Deeper, The Crystal Case Studies Podcast
S1 EP4 ROSE QUARTZ: Ancient Madagascan pegmatites with pink cores and asterism; a crystal case study with Gemma Petherbridge.

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

Show more...
1 year ago
1 hour 12 minutes 4 seconds

Digging Deeper, The Crystal Case Studies Podcast
S1 EP3 GEMMOLOGY: Candice Hamilton on gemstones, crystal enhancements, and Self & Others.

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.

----------

www.crystalcasestudies.com

@crystalcasestudies

Show more...
1 year ago
1 hour 4 minutes 11 seconds

Digging Deeper, The Crystal Case Studies Podcast
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.