Prehnite Natural 8mm Bicone Faceted - 15-16 Inch #0832 which occurs in many colors

which occurs in many colors

but rather a speckled teal Jasper found in Africa and often treated to simulate the beautiful blue to green associated with true Turquoise

one of the most recognized turquoise-producing regions in the world

as well as a prismatic quality that differentiates it from other varieties of Moonstone

Topaz is found in many locations worldwide where rocks like pegmatite and rhyolite are formed

Prehnite Natural 8mm Bicone Faceted - 15-16 Inch #0832 which occurs in many colorsPrehnite 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.