|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Iowa > Millerite
|Ollie Quarry, Keokuk County, Iowa
|Large pocket in limestone(?) matrix partly filled with metallic millerite crystals. The millerite crystals are thin, hair-like form in mats lining the botryoidal limestone surfaces. Has good coverage of the millerite.
|For reference only
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