Prehnite 12x16-18x25mm Jagged Rough Collar DSforGB1032023 Tourmaline occurs in nearly every

Tourmaline occurs in nearly every color in the rainbow and its name derives from “turmali

It is believed to increase one’s metaphysical connection with the earth

Each stone is unique in terms of its patterns

mustard yellow and cream tones and can be confused for Mookaite

Like all other natural turquoise

Prehnite 12x16-18x25mm Jagged Rough Collar DSforGB1032023 Tourmaline occurs in nearly everyPrehnite 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.