Tumbled Extra Quality Pistachio Calcite / 1-2" AVG - 1 KILO LOT Menu pendant on cord Diopside is a semi-precious stone

Diopside is a semi-precious stone often found in metamorphic limestone deposits or alongside olivine-rich volcanic basalt veins

and black or blue calcite

Quantity: 12 stone types

revealing its unique blue color and mineral composition shaped by geological processes during its solidification

but is much more commonly used for decorative pieces and jewelry

Tumbled Extra Quality Pistachio Calcite / 1-2" AVG - 1 KILO LOT Menu pendant on cord Diopside is a semi-precious stoneQuantity: 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.