Prehnite 8mm Round Faceted A Grade - 15-16 Inch Stone Type_Bronzite Like all of Dakota Stones

Like all of Dakota Stones items

or black and can be distributed randomly or in bundles or star to like formations

with every gradient of gray in between

Cacoxenite is the trade name for this naturally occurring blend of seven stone types

It may also contain rainbow to colored or sparkling inclusions

Prehnite 8mm Round Faceted A Grade - 15-16 Inch Stone Type_Bronzite Like all of Dakota StonesPrehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South Africa in 1774. Prehnite is translucent to transparent, in colors from light green to yellow green to olive, with occasional inclusions of Black Tourmaline that crisscross the stone in fibrous patterns. It is a phyllosilicate composed of silicon, calcium and aluminum with trace amounts of iron.