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Prehnite with Tourmaline pendant from Mali

In two weeks, more than 100 units sold. Beautiful green "free form" cut Mali Prehnite with tourmaline embedded in beautiful setting, to be a very gentle low price
Availability: In stock
SKU
5097
  • Buy 10 for €7.99 each and save 11%
  • Buy 25 for €6.99 each and save 22%
Prehnite with Tourmaline pendant from Mali is available to buy in increments of 1

The mineral Prehnite is a calcium-aluminum-silicate with the chemical formula Ca2Al2Si3O10 (OH). The mineral belongs to the fylosilicates. The transparent to translucent colorless, white, gray or yellow to yellow-green prehnite has a glass to pearl luster, a white stripe color and cleavage is clear, according to the crystal surface [001]. Prehnite has an average density of 2.87, and the hardness is 6 to 6.5. The crystal system is orthorhombic and the mineral is not radioactive. The mineral prehnite is named after the Dutch Colonel Hendrik Von Prehn (1733 - 1785), who discovered the mineral in South Africa. Prehniet was the first mineral, which was named after a person. Prehnite is a mineral that occurs quite commonly in hydrothermal weathered rocks. Although it is not a zeolite, it is often found in the vicinity of zeolites. It as found in granites, gneisses and syenieten. It is also indicative of mineral for the low-grade metamorphic facies prehnite-pumpellyiet. The type of location is Haslach, Harzburg and Oberstein, Germany.

Gemstine Therapy Prehnite (Dutch)

 
Prehnite

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Dimensions 45 - 60mm
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