Prehnite 13mm Faceted Clover - 15-16 Inch

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Description

Prehnite 13mm Faceted Clover - 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.

Famous malachite mines in the Ural mountains of Russia once produced 20 to ton blocks of the stone

with red vinyl handles

rust reds with white plumes

Nylon Jaw Pliers

milky whites

which may contain iron oxide

also known as Turbo marmoratus

mustard yellow and cream tones and can be confused for Mookaite

similar to obsidian

YooperLIKE is a Syenite rock that is rich with fluorescent Sodalite

When the level of iron oxide is high

and the green color is caused by a reaction in the stone when the chrome is introduced to water