Prehnite 4mm Coin Faceted A Grade - 15-16 Inch R0142 In the home

In the home

these stones offer the same beauty and sparkle as the famous gemstone but at a lower price point

Botswana Agate was formed nearly 187 million years ago by lava flowing in waves from long faults in the earth

it was thought to have fallen approximately 800

brown and orange

Prehnite 4mm Coin Faceted A Grade - 15-16 Inch R0142 In the homePrehnite 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.