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PR217 Tourmaline

PR217 Tourmaline

$40.00

Here’s a great new item, an excellent set of 2 pieces of Tourmaline from Madagascar. This fabulous set measures 1 7/8″ x 1 1/4″ x 1 1/8″, 1 7/8″ x 1 1/2″ x 1 3/8″ and has not been polished but is in it’s natural “shinny” state. A really great find!

In stock

Description

Tourmaline is one of the most chemically complicated of all Silicate minerals. It is a complex Silicate of Aluminum and Boron and the composition varies widely with Sodium, Calcium, Iron, Magnesium, Lithium and many other elements that enter into it’s structure. It can occur in a long, slender needle-like crystal to a thick prismatic and columnar crystal to a radial like daisy formation. It comes in many colors usually black and brown (iron rich); brown and yellow (magnesium rich); and blue, red, green, yellow, and pink (lithium rich). This mineral is found in igneous rocks, like Granite Pegmatite, and metamorphic rocks such as Schist and Marble.

Additional information

Weight0.5 lbs
Dimensions1.875 × 1.5 × 1.125 in

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