Prehnite 3x4mm Rondelle Faceted A Grade - 15-16 Inch Red Aventurine Russia and Brazil

Russia and Brazil

Please be aware that K2 is sold untreated

Ruby has long been considered one of the most beautiful and valuable gemstones on the planet

Yellow Jade is a magnesium iron phyllosilicate and may contain other elements including chromium

Prehnite 3x4mm Rondelle Faceted A Grade - 15-16 Inch Red Aventurine Russia and BrazilPrehnite 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.