Calcite with Marcasite Pair Mineral collectors then carefully extracted

Mineral collectors then carefully extracted these delicate formations

surrounded by some amazing copper-mineralization

While most red Petrified Wood is a result of iron inclusions

A set of 2 medium clear acrylic stands designed for thinner or taller mineral and fossil specimen pairs

Calcite with Marcasite Pair Mineral collectors then carefully extractedThis classic mineral combination of clear Calcite with Marcasite inclusions comes from the famous Linwood Mine in Scott County, Iowa. The Linwood Mine started as a limestone quarry back in the late 1800's and features some of the highest purity limestone in the country. The Calcite crystals on this specimen have a lovely scalenohedral shape and feature crisp edges and terminations. Often seen intermixed or included inside the Calcite are glittery