Prehnite with Epidote 7x8mm Faceted Rice Bead - 15-16 Inch pale blue its oldest known use being

its oldest known use being in Egypt more than five thousand years ago

White Jade is a form of Nephrite Jade

with inclusions of iron oxide

Australian Opal Beads are some of the most beautiful and interesting gemstones on Earth

West African Jade is a complex Calcium Aluminum Silicate and is a Nephrite Jade

Prehnite with Epidote 7x8mm Faceted Rice Bead - 15-16 Inch pale blue its oldest known use beingPrehnite 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.