Calcite Specimen 3.5" herkimer It can be a unique

It can be a unique and beautiful addition to any room

Celestite (also known as Celestine) is a strontium sulfate mineral that forms both tabular and prismatic crystals and has a hardness of 3 to 3

These faceted double drop sterling silver earrings are set with amethyst and measure 2" in length

or oval shape and measures approximately 3 inches

Calcite Specimen 3.5" herkimer It can be a uniqueThis unusual spiky Calcite specimen comes to us all the way from the Tonglushan Mine, Hubei Province in China! This Calcite specimen features intricate points of various heights while displaying a color combination of ruddish red and brown. 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?