AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Wisconsin > Calcite var. Manganoan Calcite on Quartz

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Calcite var. Manganoan Calcite on Quartz from Montreal Mine, Gogebic Iron Range, Iron County, Wisconsin

 
Calcite var. Manganoan Calcite on Quartz from Montreal Mine, Gogebic Iron Range, Iron County, Wisconsin

Calcite var. Manganoan Calcite on Quartz from Montreal Mine, Gogebic Iron Range, Iron County, Wisconsin

Calcite var. Manganoan Calcite on Quartz from Montreal Mine, Gogebic Iron Range, Iron County, Wisconsin

Calcite var. Manganoan Calcite on Quartz from Montreal Mine, Gogebic Iron Range, Iron County, Wisconsin

Calcite var. Manganoan Calcite on Quartz from Montreal Mine, Gogebic Iron Range, Iron County, Wisconsin

Calcite var. Manganoan Calcite on Quartz from Montreal Mine, Gogebic Iron Range, Iron County, Wisconsin

DESCRIPTION:No. 72074
Mineral:Calcite var. Manganoan Calcite on Quartz
Locality:Montreal Mine, Gogebic Iron Range, Iron County, Wisconsin
Description:Translucent white Mn-rich calcite crystals in spherical aggregates to 6 mm diameter on brown matrix coated with lustrous transparent colorless quartz microcrystals. The outer surfaces of the calcite spheres have a white second generation of calcite. Collected ca. 1950
Overall Size:6.5x5x2.5 cm
Crystals:micro to 3.5 mm
Status: Sold - Posted here for reference only
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