Prehnite 10x14-13x17mm Faceted Tumble Nugget - 15-16 Inch featured_09252025 typically of brown or black

typically of brown or black

**The strand pictured is banded but the strand you receive may not be banded

Mexican Red Snowflake Jasper is a naturally occurring Jasper with deep red

"Devil Aquamarine" (or "Devil Blue Aquamarine") is a market term for natural aquamarine characterized by deep blue

It's a stunning specimen

Prehnite 10x14-13x17mm Faceted Tumble Nugget - 15-16 Inch featured_09252025 typically of brown or blackPrehnite 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.