Prehnite 13x16mm Center Drilled Faceted Pear Bead - 15-16 Inch R0911 a turquoise trader and an

a turquoise trader and an electrical engineer

Sonoran Mountain Turquoise is a high-quality turquoise variety mined in Sonora

Beadalon Econo 3 Piece Tool Kit

Like other forms of jasper it is a power

Prehnite 13x16mm Center Drilled Faceted Pear Bead - 15-16 Inch R0911 a turquoise trader and anPrehnite 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.