Prehnite 4mm Coin Faceted A Grade - 15-16 Inch R0142 ” Green Opals are believed

” Green Opals are believed to provide energy and speed recovery from illness

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This prompted an alternative name for the gemstone: Princess Blue

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

Prehnite 4mm Coin Faceted A Grade - 15-16 Inch R0142 ” Green Opals are believedPrehnite 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.