Prehnite 4mm Round AAA Grade - 15-16 Inch R1630 This lava rolled across the

This lava rolled across the landscape

West African Jade is a complex Calcium Aluminum Silicate and is a Nephrite Jade

meaning that their facets were cut using industrial grade diamond

and can range from translucent to opaque

Prehnite 4mm Round AAA Grade - 15-16 Inch R1630 This lava rolled across thePrehnite 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.