AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Iowa > Calcite



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Calcite from Oskaloosa area coal mines, Mahaska County, Iowa

Calcite from Oskaloosa area coal mines, Mahaska County, Iowa

Locality:Oskaloosa area coal mines, Mahaska County, Iowa
Description:Classic specimen of two generations of calcite on matrix. The first generation is iridescent brown rhombic crystals to 6 mm on edge, with later growth white scalenohedral crystals to 10 mm, including some doubly-terminated.
Overall Size:12x8x7 cm
Crystals:3-12 mm
Archived: For reference only
Buy similar: Minerals from Midwest, USA > Calcite Specimens


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