4" Calcite Crystals With Red Sphalerite & Marcasite - Missouri.
This beautiful specimen contains an association of a deep red sphalerite crystals, marcasite crystal druze and multiple twinned calcite crystals. There are also small amounts of white barite that can be found peppered around the matrix. It comes from the Washington County Aggregates Quarry in the Potosi Barite District of Missouri. Comes with an acrylic display stand.