Calcite Phantom with Iron Oxide Sphere 4cm Charoite or iron pyrite

or iron pyrite

These rocks are formed from fine sediment that buried and preserved the flowers

and is often associated with other lead and molybdenum minerals

which has a hardness of 10

Calcite Phantom with Iron Oxide Sphere 4cm Charoite or iron pyriteThis exceptional sphere features a wonderful combination of Calcite and Phantom Quartz with oxidized Iron. Makes for a perfect accent piece to any home! 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