AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Iowa > Calcite with iridescent Limonite coating |
DESCRIPTION: | No. 7961 |
Mineral: | Calcite with iridescent Limonite coating |
Locality: | Lost Creek Coal Mine, Beacon, Iowa |
Description: | One of the best specimens in the Bates collection, this is a matrix specimen of brownish calcite with an iridescent coating that gives the crystals a purple color. Stunning. Ex. R. Bates Collection #1021 |
Overall Size: | 5x3.5x2 cm |
Crystals: | 3-5 mm |
Archived: | For reference only |
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