Goldish micro-botryoidal Marcasite on yellow Calcite.
Small Marcasite crystals in Worm-like formations. This is a very unique crystal habit for this area.
Blanket of Marcasite crystals to 1mm
Marcasite crystals less than 1mm with yellow Calcite.
Tiny spheroidal Marcasite clusters to about 1mm with yellow Calcite.
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- Dakota Matrix Minerals, Inc.
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