Calcite and Stibnite Cluster Specimen - China 7x3” Tourmaline Shungite is a carbon-rich mineral

Shungite is a carbon-rich mineral that is estimated to be about 2 billion years old

Often associated with the Sacral and Solar Plexus Chakras

These Cornetite with Malachite Specimens come to us all the way from Congo

It is found in Russia

Shungite Oval Earrings sterling silver - Elite Shungite Oval Drops

Calcite and Stibnite Cluster Specimen - China 7x3” Tourmaline Shungite is a carbon-rich mineralThis 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?