Prehnite 6mm Round Faceted A Grade - 15-16 Inch HPS_07202023 These mines are also famous

These mines are also famous for sourcing North-American Jasper

It can range in color from pale pink to deep rose or even rusty red tones depending on the concentration of Manganese

or merlinite

making it suitable for jewelry design while maintaining its natural appearance

Prehnite 6mm Round Faceted A Grade - 15-16 Inch HPS_07202023 These mines are also famousPrehnite 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.