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Natural Prehnite

Prehnite is an orthorhombic mineral which is rarely found as distinct crystals. Found in association with volcanic rocks, it usually forms in aggregates with botryoidal habit. Prehnite is rarely clean enough for faceting but some is cut en cabochon and may also display a cat's eye in some cases.

  • There are 4 Prehnite gemstones available at Multicolour.com
  • Prehnite(s) are organized in the following categories: Mixed Lot,  gemstones.
  • Our most expensive Prehnite is USD 18.36 and largest Prehnite weight is CTS 6.12.
  • Our cheapest Prehnite is USD 13.20 and smallest Prehnite weight is CTS 4.40.

Prehnite Profile

Color information: yellow green, brown, yellow brown, oil green
Refractive Index: 1.61 - 1.64
Chemical Composition: (CA2Al2SI3O10(OH)2)
Hardness: 6
Density: 2.80 - 2.95
Crystal Group: Orthorhombic
Ocurrence: China, France, U.S.A., Scotland, Australia
Sign of the Zodiac: N/A
Month of the year: N/A
Prehnite Prehnite

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Fresh Water Pearl Jewelry
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Weight: 9.60 CTS
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