Goethite after Pyrite with Quartz
specimen number:
3921310
location:
Blackwell mines, Tiff, Washington Co., Missouri, USA
description:
Crystals of what were once pyrite to 1.2 cm in size now replaced by yellowish brown goethite and scattered across the top of a crystallized quartz matrix.
Size: 12.0 x 7.0 x 6.0 cm (cabinet)
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Related by Mineral (Goethite):
Goethite — Egypt
Origin: White Desert, Farafra Oasis, New Valley Governorate, Egypt
Number: (2063731)
Size: 6.0 x 6.0 x 3.0 cm (small-cabinet)
Goethite — Canada
Origin: George W. MacLeod mine, McMurray, Algoma, Ontario, Canada
Number: (9302412)
Size: 11.0 x 7.0 x 3.5 cm (cabinet)
Goethite — Colorado
Origin: Lake George, Colorado, USA
Number: (2063746)
Size: 5.5 x 5.0 x 1.3 cm (miniature)