Manganite
specimen number:
4541464
location:
Robert mine, Crow Wing Co., Minnesota, USA
description:
The front side of this matrix mostly covered with lustrous black crystals of manganite. Nice thumbnail for the species from this Minnesota locality.
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Related by Mineral (Manganite):
Manganite — Germany
Origin: Ilfeld, Harztor, Nordhausen, Thuringia, Germany
Number: (2262205)
Size: 6.0 x 4.0 x 3.0 cm (small-cabinet)
Manganite — Germany
Origin: Ilfeld, Harz Mts, Germany
Number: (9302101)
Size: 8.0 x 5.0 x 4.0 cm (small-cabinet)
Manganite — Michigan
Origin: Lucy Mine, Negaunne, Marquette Co., Michigan, USA
Number: (2062088)
Size: 12.0 x 7.5 x 5.5 cm (cabinet)
Related by Location (Robert mine):
Groutite — Minnesota
Origin: Robert Mine, Crow Wing Co., Minnesota, USA
Number: (8311449)
Size: 4.5 x 3.0 x 2.0 cm (miniature)
Groutite — Minnesota
Origin: Robert Mine, Crow Wing Co., Minnesota, USA
Number: (8311445)
Size: 5.5 x 3.5 x 3.0 cm (miniature)
Groutite — Minnesota
Origin: Robert Mine, Crow Wing Co., Minnesota, USA
Number: (8311447)
Size: 5.0 x 3.3 x 3.0 cm (miniature)