Grandidierite 2x3mm Faceted Rondelle - 15 Inch hps_10102024 Black Tourmaline is a black

Black Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins

The meteorite pyramid is in a

a variety of Jasper containing variably colored spherical patterns

There are 2 specimens pictured to show that there are variations in the size and color

The description

Grandidierite 2x3mm Faceted Rondelle - 15 Inch hps_10102024 Black Tourmaline is a blackGrandidierite is a very rare, greenish blue to bluish green borosilicate mineral, named after French explorer Alfred Grandidier. It's a prized gem, often found in collections, and is known for its unique color and rarity.