Prehnite with Rutilate 10mm Round - 15-16 Inch Ruby and Sapphire brown and red bands of

brown and red bands of color allow the stone to be matched with many other gemstones in designs

As a Serpenti

including to ward off illness and the Plague

chrysocolla

Through this process

Prehnite with Rutilate 10mm Round - 15-16 Inch Ruby and Sapphire brown and red bands 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.