Prehnite 3mm Round Faceted A Grade - 15-16 Inch Tan The name “Turritella” comes from

The name “Turritella” comes from the name of the genus of marine gastropod mollusks whose remains are seen within the stone

calming down survival based fears

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

These inclusions are chromite

white and occasionally gray or brown

Prehnite 3mm Round Faceted A Grade - 15-16 Inch Tan The name “Turritella” comes fromPrehnite 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.