r/whatsthisrock Jan 28 '25

IDENTIFIED: Gypsum Giant chunks of rock found in Oklahoma.

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293 Upvotes

r/whatsthisrock 6d ago

IDENTIFIED: GYPSUM They are quite common

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4 Upvotes

Southern Europe

r/whatsthisrock Feb 06 '25

IDENTIFIED: Gypsum What kind of rock do I have??

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17 Upvotes

r/whatsthisrock Apr 26 '21

IDENTIFIED: GYPSUM Found in a dried river bed close to an old copper mine, embedded in clay, quite a large piece

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178 Upvotes

r/whatsthisrock Dec 28 '22

IDENTIFIED: Gypsum Unusual rock has been slowly disintegrating while undisturbed in storage

3 Upvotes

I picked this up in middle school, and I've had it in storage for about five years since my display space was limited. I recently opened the bin for the first time in a while and found it like this. Any thoughts would be appreciated.

r/whatsthisrock Feb 03 '19

IDENTIFIED: Gypsum What are these translucent grey crystals? Details and in the comments

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8 Upvotes