pocketful of \ud835\uded8tals
Aaron Celestian, PhD, Kriss LeftwichMinerals interact with everything — environments, living things, ancient oceans, other worlds. I'm a museum curator and scientist who writes about what those interactions reveal.
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
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| Issues | 42 | Founded | 3 years ago | Last Issue | 11 days ago |
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Everywhere Except Here
Subnautica 2, Root Canyon biome, approximately 1,000 meters east-northeast of the starting lifepod. May 2026. The green mass is depicting troilite.
I was not expecting to stop.
Subnautica 2 had been out for only a few days. I was deep in...
A Gift from the Gods
What You Carry
I was not prepared for the rocks in his mouth.
The call came through guest relations, the way it always does — a visitor requesting to speak with the curator of minerals. Something important. I get these calls. I’ve lea...
The Mineral in the Lightsaber
I want to be upfront about something before we begin.
What follows is a professional assessment. I am going to treat a fictional crystal the same way I would treat an unknown specimen handed to me in the collection — systematically, seriou...
Everything Has an Address
The Getty conservation team called because they had a cabinet they wanted to understand better.
That’s how these things usually start — not with a mystery, but with a question so routine it barely registers as one. The Borghese-Windsor Cab...
35 Years. I Still Don’t Know.
I have a garnet in my lab that I cannot explain. I collected it as a teenager. I have been a professional mineralogist for over two decades. I still cannot explain it.
The crystal faces are catching the light and throwing it back metallic...
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Authors
The writers behind this newsletter.
I'm Curator of Mineral Sciences at the Natural History Museum of Los Angeles. I study how minerals interact with environments and living things — and apply that to contamination, disease, and the search for life beyond Earth.
Collections Manager of Mineral Sciences at the Natural History Museum of Los Angeles County. Naturalist. Birder. Reader. Amateur seamstress.
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