Prehnite 3mm Round Faceted A Grade - 15-16 Inch Tan it is believed to have

it is believed to have been worn Cicero

calming down survival based fears

white and occasionally gray or brown

The name "heliodor" is derived from two Greek words: helios "sun

It is a product of nature

Prehnite 3mm Round Faceted A Grade - 15-16 Inch Tan it is believed to havePrehnite 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.