Prehnite 8mm Coin Faceted A Grade - 15-16 Inch 14x40mm Amethyst has long been associated

Amethyst has long been associated with February

white and occasionally gray or brown

It is considered a stone of love and has been called the Stone of the Compassionate Heart

By soaking the stone in a non-toxic chemical solution

check out The Identification of Zachery Treated Turquoise

Prehnite 8mm Coin Faceted A Grade - 15-16 Inch 14x40mm Amethyst has long been associatedPrehnite 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.