Calcite in Quartz Crystal Point (2” x 1”) tumble 25 inches in length and

25 inches in length and 0

Stibnite is oftentimes associated with gold deposits and is utilized in small amounts to harden lead

These wire wrapped gemstone point pendants are perfect for every day wear

Specimens measure appropimately 2"

Calcite in Quartz Crystal Point (2” x 1”) tumble 25 inches in length andThis unique Crystal Point was grown as a combination of Calcite and Quartz! This Calcite in Quartz Specimen was also cut to a sharp point of quality. 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? Calcite can form by direct precipitation from waters rich in calcium. As concentrations