Prehnite Natural 8mm Bicone Faceted - 15-16 Inch #0832 Topaz is found in many

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

Sometimes called the "Black Prince's Ruby" for its role in the English crown

also known as Amazon Stone

The fibrous asbestos inclusions in the stone give it the flash that inspired its name

Prehnite Natural 8mm Bicone Faceted - 15-16 Inch #0832 Topaz is found in manyPrehnite 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.