Calcite (Var: Manganese-bearing Calcite)
Yukon Mine, Eureka Mining District, San Juan County, Colorado, USA
13.4 x 12.2 x 5.8 cm. A classic and rarely seen Manganoan Calcite specimen from the Yukon mine in the famous Silverton Mining District. The piece is filled with tiny, sparkling, pale pink crystalline Manganoan Calcite. When the piece is backlit, it shows a gorgeous pink hue, and the reverse side of the piece shows the typical "San Juan Quartz" ...
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