Calcite Spheres (Blue) Madagascar - 25 pounds* agate has a hardness of 7

has a hardness of 7 on the Mohs scale

Some crystals may be loose in the matrix and separate during shipping

Clarity: Pyrite usually occurs as cubic crystals or as irregular masses

meaning it has a glassy or shiny appearance when polished

Calcite Spheres (Blue) Madagascar - 25 pounds* agate has a hardness of 7Polished Blue Calcite Spheres. Various sizes. No requests. MAY have minor imperfections like dents, dings, chips and or scratches. Locality: Madagascar * Requires 40lbs of shipping space Color: Calcite can occur in a variety of colors including white, colorless, gray, yellow, green, blue, orange, red, brown, black, and sometimes multicolored due to impurities. Hardness: Calcite has a Mohs hardness of 3, which means it is relatively soft compared to