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Joanna Scheffler
joscheff.bsky.social
did:plc:qkaptb45g44q7bhhqq6q52i4
This matchup is separated by a much smaller unit than the giant spodumene crystal from the Etta Pegmatite in the Black mining Hills of South Dakota. Went here in field camp (about the time of the linked photo haha) so voting spod for sentimental reasons...
USGS/Dakota Matrix Minerals photo ~1890
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2024-09-17T04:28:40.011Z