AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Wisconsin > Calcite (Mn-rich) on Psilomelane

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Calcite (Mn-rich) on Psilomelane from Montreal Mine, Gogebic Iron Range, Iron County, Wisconsin

 
Calcite (Mn-rich) on Psilomelane from Montreal Mine, Gogebic Iron Range, Iron County, Wisconsin

Calcite (Mn-rich) on Psilomelane from Montreal Mine, Gogebic Iron Range, Iron County, Wisconsin

Photo below under shortwave ultraviolet illumination:
Calcite (Mn-rich) on Psilomelane from Montreal Mine, Gogebic Iron Range, Iron County, Wisconsin

DESCRIPTION:No. 50641
Mineral:Calcite (Mn-rich) on Psilomelane
Locality:Montreal Mine, Gogebic Iron Range, Iron County, Wisconsin
Description:Pristine specimen of pink-to-white manganese-rich calcite in hemispherical aggregates to 14 mm diameter over black psilomelane. The surfaces of the calcite have silky luster due to many microscopic crystal faces. Mined ca. 1950-60; ex. E. Jones; ex. R. Lillie
Overall Size:9x9x4.5 cm
Crystals:1-3 mm
Status: Sold - Posted here for reference only
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