Prehnite with Rutilate 6mm Round - 15-16 Inch 4.8mm It is not a granite

It is not a granite

It won 1st price and has been used ever since in sculpture

Ancient Egyptians believed Red Jasper to be connected to the fertilizing blood of Mother Isis

It is a variety of the mineral corundum

Imagination Stimulation

Prehnite with Rutilate 6mm Round - 15-16 Inch 4.8mm It is not a granitePrehnite 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.