Prehnite 8mm Round AAA Grade - 15-16 Inch Raspberry Spar A variety of Andalusite

A variety of Andalusite

Rainbow Obsidian is said to help alleviate fears at home or work that seem overwhelming or that we seem to not be able to overcome

golden brown and red

frequently complemented by tans

It can even exhibit various colors within the same specimen

Prehnite 8mm Round AAA Grade - 15-16 Inch Raspberry Spar A variety of AndalusitePrehnite 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.