Galena (twin) with Dolomite
specimen number:
1114648
location:
Fletcher Mine, Reynolds Co., Missouri, USA
description:
A large loose twinned crystal of lustrous galena, one side mostly coated with white crystals of dolomite. There are no points of attachment, this is crystallized naturally all around and in great condition. Many people erroneously refer to these as spinel law twins, this is a flattened penetration twin. Minor chalcopyrite present.
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