Prehnite 8mm Round Faceted A Grade - 15-16 Inch Shape_Heart Ruby Zoisite occurs naturally when

Ruby Zoisite occurs naturally when small Ruby crystals become embedded within Zoisite

tans and golden tones that occur naturally within the stone

in Karelia

remote parts of the globe

Prehnite 8mm Round Faceted A Grade - 15-16 Inch Shape_Heart Ruby Zoisite occurs naturally whenPrehnite 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.