There are 47 beads in the lot.

Prehnite was discovered in South Africa in 1774, and was named after it's discoverer, a Dutch Colonel named Hendrik Von Prehn. Prehnite is the first mineral to be named after a person. It is a fairly strong crystal with a rich green color. Prehnite is now considered to be within the phyllosilicate category, and is composed of silicon, calcium, aluminum, and a trace amounts of iron. It is believed that it was formed by volcanic aftermath. Black tourmaline often forms in prehnite and can be seen as the black fibers crisscrossing throughout the materials adding another dimension to the stone. AKA: Cape Emerald. Mohs Hardness: 6 - 6.5
Sometimes called "the stone for dreaming and remembering", Prehnite has been used to reduce high blood pressure and control hypertension. Some believe that prehnite may be used to treat blood disorders and help build the immune system.

Polished Natural Prehnite with Black Tourmaline & Epidote Inclusions, 4mm

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