Pocketful of χtals
@nhmlagems.bsky.social
Curator @NHMLA: Aaron Celestian, Ph.D.
Writer and host of Pocketful of χtals (pronounced: crys-tals) https://open.substack.com/pub/aaroncelestian
Researching how minerals can be used to solve problems like climate change, pollution, and disease.
Writer and host of Pocketful of χtals (pronounced: crys-tals) https://open.substack.com/pub/aaroncelestian
Researching how minerals can be used to solve problems like climate change, pollution, and disease.
January 19, 2026 at 10:13 PM
lol. It looks delicious! But it’s a garnet!
April 17, 2025 at 3:57 AM
lol. It looks delicious! But it’s a garnet!
All good guesses. It’s a cats eye garnet!
April 17, 2025 at 3:56 AM
All good guesses. It’s a cats eye garnet!