Prehnite Natural 8X10mm Freeform Cut - 15-16 Inch laborday_5 while today it is primarily

while today it is primarily mined in Africa

milky to pink silicon dioxide mineral

It is also said to aid artists in the emotional process of bringing forth authentic and vulnerable work

At that time yellowish gems were called "topaz" in many parts of the world

originally from the Lapis to Lazuli mine in Afghanistan

Prehnite Natural 8X10mm Freeform Cut - 15-16 Inch laborday_5 while today it is primarilyPrehnite 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.