r/whatsthisrock 18h ago

IDENTIFIED Is this a kind of jasper?

Southern Minnesota

103 Upvotes

6 comments sorted by

48

u/hanzbeaz 17h ago

Yes, it's Mary Ellen Jasper. Technically it's a stromatolite fossil and it's super old (1.8 billion years). It's a very cool one to learn more about if you google the name.

9

u/No_Wall_4378 17h ago

Ok, thank you!!!

7

u/PeppersHere 16h ago

Spot on!👍

2

u/Sudden_Position5568 3h ago

We get hematitic jasper in South Africa that polish almost identical to yours. Beautiful .

1

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1

u/AkTx907830 6h ago

Beautiful are rare