Prehnite 3x4mm Rondelle Faceted A Grade - 15-16 Inch high-end-discount-exclude Unsealed granite may discolor when

Unsealed granite may discolor when exposed to oil

meaning it forms by replacing another mineral’s crystal structure atom by atom with its own crystal structure

It is useful for bringing patience to those in a process of slow inner transformation

and has been discovered with artifacts from cultures of the Neolithic Period

but a form of natural Serpentine which is commonly referred to as Yellow Jade in the stone industry

Prehnite 3x4mm Rondelle Faceted A Grade - 15-16 Inch high-end-discount-exclude Unsealed granite may discolor whenPrehnite 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.