Goethite after Pyrite with Quartz
specimen number:
3921437
location:
Washington Co., Missouri, USA
description:
Crystals of what were once pyrite to 0.8 cm in size now replaced by reddish-brown goethite across the top of a crystallized quartz matrix. In good condition, this is classic material for this area.
Size: 10.5 x 8.0 x 2.0 cm (cabinet)
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Related by Mineral (Goethite):
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