Prehnite 6x12-10x20mm Free Form Dancing Drops A Grade - 15-16 Inch in stock and include the Archaean granite-greenstone

and include the Archaean granite-greenstone complex and Proterozoic sequences

Cuprite is a copper oxide mineral frequently found in association with copper deposits as well as azurite

It is composed of silicon dioxide

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

Tourmaline has often been confused with other stones

Prehnite 6x12-10x20mm Free Form Dancing Drops A Grade - 15-16 Inch in stock and include the Archaean granite-greenstonePrehnite 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.