Calcite and Stibnite Cluster Specimen - China 7x3” Bracelets It features an impressive amount

It features an impressive amount of hematite druzy crystals that are clustered atop a gorgeous red calcite matrix

Fluorite comes in one of the widest ranges of colors that vary from the most common greens and purples to less common blues and reds

It is often utilized in jewelry making and can be found in a wide variety of designs and styles

This rare ammonite has a distinctive pattern resembling a tractor wheel

Calcite and Stibnite Cluster Specimen - China 7x3” Bracelets It features an impressive amountThis cluster is a fantastic combination of Calcite and Stibnite showcasing a gorgeous swirl pattern throughout the specimen. This Calcite and Stibnite Cluster also exhibits a sparkle of rare coloring of greys and creams. Frm Nandon China. Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate. The Mohs scale of mineral hardness, based on scratch hardness comparison, defines value 3 as "calcite". How is calcite formed?