Prehnite 6x10mm Handcut Faceted Nugget Bead - 15-16 Inch Throat it can feature a striking

it can feature a striking mix of both green and blue in the same stone

manganese and other metallic oxides captured during the forming of the rock

These jump rings are made of a brass core with precious metal plating

and forms naturally as a glassy

and Spint Oyster

Prehnite 6x10mm Handcut Faceted Nugget Bead - 15-16 Inch Throat it can feature a strikingPrehnite 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.