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 — South Africa
Origin: Wessels Mine, Northern Cape, South Africa
Number: (8311070)
Size: 10.0 x 5.0 x 4.0 cm (cabinet)
Manganite — South Africa
Origin: Hotazel Mine, Joe Morolong, John Taolo Gaetsewe, Northern Cape, South Africa
Number: (9851336)
Size: 10.0 x 7.0 x 4.0 cm (cabinet)
Manganite — Germany
Origin: Ilfeld, Nordhausen, Thuringia, Germany
Number: (9302262)
Size: 4.8 x 3.6 x 2.8 cm (miniature)
Related by Location (Robert mine):
Groutite — Minnesota
Origin: Robert Mine, Crow Wing Co., Minnesota, USA
Number: (2062188)
Size: 8.0 x 5.0 x 4.0 cm (small-cabinet)
Groutite — Minnesota
Origin: Robert Mine, Crow Wing Co., Minnesota, USA
Number: (8311447)
Size: 5.0 x 3.3 x 3.0 cm (miniature)
Groutite — Minnesota
Origin: Robert Mine, Crow Wing Co., Minnesota, USA
Number: (8311449)
Size: 4.5 x 3.0 x 2.0 cm (miniature)