Hematite after Siderite with Microcline
specimen number:
3774441
location:
Lake George, Colorado, USA
description:
Rhombohedral crystals of what were once siderite measuring to 1.3 cm in size now replaced by hematite and scattered over the top of a feldspar matrix. Pyrolusite present as well. At one time in the collection of George Fisher.
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Related by Mineral (Hematite):
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