Prehnite 3x4mm Rondelle Faceted A Grade - 15-16 Inch Red Aventurine Yellow Jade is a magnesium

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

Crystal Quartz is a naturally occurring clear and colorless Quartz

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

so the individual beads can be used for pendants

white and reddish brown in speckles

Prehnite 3x4mm Rondelle Faceted A Grade - 15-16 Inch Red Aventurine Yellow Jade is a magnesiumPrehnite 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.