Prehnite 8mm Round AAA Grade - 15-16 Inch R1757 There is another form of

There is another form of Peridot that is not even native to the planet

Golden Blood Quartz is a clear to milky to white silicon dioxide mineral

Blue Tourmaline ranges in color from green to blue to yellow to green with black

most crystals are translucent

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

Prehnite 8mm Round AAA Grade - 15-16 Inch R1757 There is another form ofPrehnite 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.