Prehnite 8mm Round AAA Grade - 15-16 Inch New November 2023 Hackmanite is very reactive under

Hackmanite is very reactive under UV light

Red Botswana Agate displays highly defined parallel banding

Some specimens of Fire Opal produce iridescent flashes and are referred to as Precious Fire Opal or “Firmament Stone

known for its incredible hardness

It is a rare occurrence to find gem-grade hackmanite

Prehnite 8mm Round AAA Grade - 15-16 Inch New November 2023 Hackmanite is very reactive underPrehnite 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.