Prehnite Natural 8mm Bicone Faceted - 15-16 Inch BEAD-4085 The name is derived from

The name is derived from the Charo River in eastern Siberia

Prehnite was the first mineral to be named after a person: its discoverer

Its name is derived from the Greek word for blood

It occurs in bright turquoise blues and darker blues as well as rust reds

yellow or gray inclusions and a silky luster or silvery sheen

Prehnite Natural 8mm Bicone Faceted - 15-16 Inch BEAD-4085 The name is derived fromPrehnite 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.