Nadine, Hunter of Rocks 💎
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nadwgab.bsky.social
Nadine, Hunter of Rocks 💎
@nadwgab.bsky.social
Geologist | Mineralogy Curator @ the Natural History Museum, London | Creator of #365Minerals | Views are my own | She/Her

Posts about: #minerals #museums #geology #fossils #science #nature

Geology memes: #GeologistProblems

🐘 mas.to/@NadWGab
Pinned
Finally making use of the pinned post feature...

Hello! I'm a geologist and mineral curator. Follow for posts about #minerals, #museums, #science and more! 📜🧪⚒️ #AddToBlackSky
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328 of #365Minerals 🧪⚒️

Graphite:
- Composed of carbon
- Same composition as diamond but a different structure
- Forms in metamorphic/igneous rocks & meteorites
- Used in electrical conductors, lubricants, pencils
- Its name comes from the Greek "γράφειν/graphein" (to write) #minerals #MineralMonday
November 24, 2025 at 10:02 AM
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My surgical instrument enamel pin set is finally on my store, and also as individuals! I made these after my top surgery and they’re my favourite pins of the year 🫀

You can get them here! 🩻💉⚕️ blacksmoke1033.etsy.com
November 22, 2025 at 1:25 PM
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September 5, 2025 at 1:14 PM
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November 23, 2025 at 4:36 AM
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327 of #365Minerals 🧪⚒️

Topaz:
- Silicate mineral
- Pure topaz = yellow, brown, blue
- Impurities & treatments cause other colours
- Blue topaz is the Texas state mineral
- Forms in pegmatites, quartz veins & granite
- Named after Topazios Island (now called Zabargad Island) in the Red Sea #minerals
November 23, 2025 at 11:07 AM
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326 of #365Minerals 🧪⚒️

Periclase:
- A magnesium oxide mineral
- Forms via high temperature contact metamorphism
- Used in the production of fire bricks
- Its name comes from the Greek word "περικλάω/perikláo" (to break around) because of its cleavage #minerals
November 22, 2025 at 10:42 AM
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Want to visit Siccar Point but can’t get out or it’s too far away?

@callanbentley.bsky.social has made this amazing online field-guide, including gigapan images and some fantastic virtual outcrops that you can explore in 3D. Check it out!

opengeology.org/historicalge...
VFE: Siccar Point, Scotland – Historical Geology
opengeology.org
November 22, 2025 at 10:38 AM
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325 of #365Minerals 🧪⚒️

Barytocalcite:
- A barium calcium carbonate mineral
- Forms when hydrothermal fluids react with limestone
- Its type locality is Blagill Mine in Cumbria, England
- Named for its chemical composition #minerals
November 21, 2025 at 10:41 AM
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324 of #365Minerals 🧪⚒️

Nepheline:
- A feldspathoid mineral
- Forms in volcanic rocks with low silica content
- Its name comes from the Greek word "νεφέλη/nephélē" (cloud) because it turns cloudy when exposed to strong acid #minerals
November 20, 2025 at 10:35 AM
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Gems and minerals from “Erdgeschichte” by Melchior Neumayr. Leipzig; Bibliographisches Institut 1897.

#naturalhistory #sciart #chromolithography
#minerals #mineralogy
November 20, 2025 at 1:24 AM
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Fish have committed credit card fraud
November 19, 2025 at 9:49 PM
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323 of #365Minerals 🧪⚒️

Oligoclase:
- A plagioclase feldspar mineral
- Sometimes classed as a variety of albite
- An important component of igneous rocks
- Its name comes from the Greek words "όλίγος/oligos" (little) and "κλάσις/klasis" (fracture) because of its cleavage #minerals
November 19, 2025 at 10:26 AM
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are you sick of generative AI slop?

why not fight back by adorning your home with gorgeous birds that only an attentive birder could draw? www.tommysiegel.net
November 19, 2025 at 7:51 PM
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November 19, 2025 at 9:08 PM
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322 of #365Minerals 🧪⚒️

Albite:
- A plagioclase feldspar mineral
- Forms in felsic igneous rocks
- First discovered in 1815 in Finnbo, Falun, Sweden
- Its name comes from the Latin word "albus" (white) because of its colour #minerals
November 18, 2025 at 11:45 AM
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November 18, 2025 at 3:24 PM
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321 of #365Minerals 🧪⚒️

Biotite:
- A mica group mineral
- Forms in igneous and metamorphic rocks
- Can be used to date rocks
- Named after Jean-Baptiste Biot (1774-1862), a physicist who studied the optical properties of mica #minerals #MineralMonday
November 17, 2025 at 10:50 AM
Still thinking about that cat that ran up to me on my way home 🥹 I was hoping I would see it again today
November 17, 2025 at 6:46 PM
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One year ago today, I sold my first pin badge at canopyrobin.etsy.com and set out to fund my trans healthcare expenses sustainably by creating a small business alongside my fulltime job. This quoted thread shares the 17 designs and 106 variations I've made since then!

Please check them out! 🏳️‍⚧️
November 17, 2025 at 2:27 PM
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There’s still time to register for the 2025 Winter Seminar and Annual General Meeting of the Geological Collections Group, taking place this December at Hastings Museum & Art Gallery!

🚨Registration closes December 1st - don’t miss out!🚨
November 17, 2025 at 10:05 AM
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Some details of this amazing shot:
This Mind-Blowing Photo Shows a Skydiver Transiting the Sun
It was an extremely challenging shot to pull off.
petapixel.com
November 14, 2025 at 7:36 PM
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This is an insanely cool (actual) photo taken by photographer Andrew McCarthy of a skydiver buddy seen in silhouette against the distant sun. Full story, videos, and more here: www.instagram.com/p/DRBAaqLkvy...
November 14, 2025 at 4:30 PM
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320 of #365Minerals 🧪⚒️

Tremolite:
- An amphibole group mineral
- The fibrous form is classed as asbestos
- Forms via the metamorphism of quartz and dolomite rich sediments
- Named after Tremola Valley in Tessin, Switzerland #minerals
November 16, 2025 at 12:58 PM
It's the middle of November and I'm still pulling tomatoes and peppers off of my plants! 🌱🪴
November 16, 2025 at 3:49 PM
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319 of #365Minerals 🧪⚒️

Monazite:
- A phosphate mineral series with species rich in cerium, lanthanum, neodymium, samarium or gadolinium
- Radioactive due to thorium and sometimes uranium
- Its name comes from the Greek word "μονάζειν/monázein (to be alone) because of its isolated crystals #minerals
November 15, 2025 at 7:49 AM