Siderite on Calcite (ex Brian Kosnar Collection)

Item Description

The San Juan Mountains have a lot of unusual Calcite localities, and specimens from this much less well-known Ouray County, Colorado locality are rare and seldom available. Aesthetic stacked starbursts of brown, dogtooth Calcite scalenohedra (which are coated by brown Siderite according to the label) form a sculptural and excellent specimen. The largest individual crystal measures about 2.5 cm long. Ex - Brian Kosnar collection, and originally from Colorado dealer Robert Stoufer.