Prehnite with Rutilate 4mm Round - 15-16 Inch

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Description

Prehnite with Rutilate 4mm Round - 15-16 InchPrehnite 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.

this wood variety is so hard that it is often used in heavy construction for beams

according to the Mohs hardness scale

Kambaba Jasper is one of the more exotic Jaspers

but differ in chemical composition

An orthoproxene mineral

These form as a criss cross banding called lamellae

Bloodstone was known in antiquity as Heliotrope

and chatoyancy

Brings a sense of peace and contentment

It is a phyllosilicate composed of silicon

Blue Tourmaline ranges in color from green to blue to yellow to green with black

and those that still exist today have been passed down for generations