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Here we have a nice thumbnail display specimen featuring a cluster of thin
Specimen # HYALMEX41615
Specimen # BOL711B16
Specimen # BOL711B285
Calcite Copper Here we have a niceA seldom seen Calcite from the Osceola Mine along the Animas River near Silverton. This specimen features sharp, well formed rhombohedra of Calcite up to 1. 2 cm that have a medium chocolate brown coating of an unknown manganese oxide. Additionally, the crystals are sitting on excellent quality, lustrous, GEM gemmy Quartz prisms on matrix. From the collection of T. M. Phetteplace (specimen #1161) originally purchased from the famous Columbine Mineral
