Goethite after Gypsum
specimen number:
1392173
location:
Montreal mine, Iron Co., Wisconsin, USA
description:
A grouping of what were once gypsum crystals, these now completely replaced by goethite. These were quite rare even when the mine was operating prior to 1963, today they are almost never seen available on the market.
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Related by Mineral (Goethite):
Goethite — Wisconsin
Origin: Montreal Mine, Iron Co., Wisconsin, USA
Number: (2062030)
Size: 6.5 x 5.0 x 5.0 cm (small-cabinet)
Goethite — Italy
Origin: Elba, Tuscany, Italy
Number: (9302341)
Size: 4.5 x 3.5 x 3.0 cm (miniature)
Related by Location (Montreal mine):
Barite — Wisconsin
Origin: Montreal mine, Iron Co., Wisconsin, USA
Number: (1392118)
Size: 15.0 x 11.5 x 8.5 cm (large-cabinet)
Manganite — Wisconsin
Origin: Montreal Mine, Iron Co., Wisconsin, USA
Number: (8311544)
Size: 7.0 x 6.0 x 4.0 cm (small-cabinet)
Rhodochrosite — Wisconsin
Origin: Montreal Mine, Iron Co., Wisconsin, USA
Number: (8311198)
Size: 4.0 x 2.5 x 2.0 cm (miniature)