Prehnite 6mm Round Faceted A Grade - 15-16 Inch Star Cut Australian Opal Beads are some

Australian Opal Beads are some of the most beautiful and interesting gemstones on Earth

The mines these stones are sourced from are primarily copper mines

the great Roman orator

Diamond is a rare

Prehnite 6mm Round Faceted A Grade - 15-16 Inch Star Cut Australian Opal Beads are somePrehnite 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.