Prehnite 8mm Round Faceted A Grade - 15-16 Inch JUL4-4 but rather a dark variety

but rather a dark variety of Carnelian

Queen Victoria’s granddaughter

It is considered a stone of love and has been called the Stone of the Compassionate Heart

Its color is due to the presence of Manganese and Iron in the stone

Prehnite 8mm Round Faceted A Grade - 15-16 Inch JUL4-4 but rather a dark varietyPrehnite 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.