Tumbled Extra Quality Pistachio Calcite / 1-2" AVG - 1 KILO LOT Menu Cubes Its green color is caused

Its green color is caused by iron and other trace elements within the silica-rich glass

This 100% natural crystal quartz has been heat-treated to add a special metallicized aura effect

When polished

Pieces measure approximately 18"

Tumbled Extra Quality Pistachio Calcite / 1-2" AVG - 1 KILO LOT Menu Cubes Its green color is causedQuantity: 1 kilogram Average size range: 1 to 2 inches Calcite is a mineral that forms mostly in limestone deposits and caves, and can exhibit a wide range of colors depending on the impurities and trace elements it absorbs from the surrounding area. Pistachio calcite derives its pale green to blue green color from chlorine inclusions, and it can also contain bands of brown aragonite.