Prehnite Mala

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Product Name Product Name: Prehnite Mala Prehnite Mala
Manufacturer Manufacturer: A-Others-2
Product Code Product Code: CXLGMP270
Product Weight Weight: 90 Gms. [Approx.]
Product Price [in INR] Price [INR]: Rs.1,670
Product Price [in USD] Price [USD]: $26.51
Product Description Product Description
Strung in a thread with knots in between ** 108+1 Beads ** Bead Size: 7 mm [approx.] ** Mala Length: 42 cm [approx.] ** "Prehnite is a inosilicate of calcium and aluminium with the formula: Ca2Al(AlSi3O10)(OH)2. Limited Fe3+ substitutes for aluminium in the structure. Prehnite crystallizes in the orthorhombic crystal system, and most oftens forms as stalactitic or botryoidal aggregates, with only just the crests of small crystals showing any faces, which are almost always curved or composite. Very rarely will it form distinct, well individualized crystals showing a square-like cross-section, like those found at the Jeffrey Mine in Asbestos, Quebec, Canada. It is brittle with an uneven fracture and a vitreous to pearly lustre. Its hardness is 6-6.5, its specific gravity is 2.80-2.90 and its color varies from light green to yellow, but also colorless, blue or white. In April 2000, a rare orange Prehnite was discovered at the famous Kalahari Manganese Fields in South Africa. It is mostly translucent, and rarely transparent. Though not a zeolite, it is found associated with minerals such as datolite, calcite, apophyllite, stilbite, laumontite, heulandite etc. in veins and cavities of basaltic rocks, sometimes in granites, syenites, or gneisses. It is an indicator mineral of the prehnite-pumpellyite metamorphic facies." - Source: en.wikipedia.org/wiki/Prehnite
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Related Information Related Information

"A gemstone or gem (also called a precious or semi-precious stone, a fine gem, or jewel) is a piece of mineral, which, in cut and polished form, is used to make jewelry or other adornments. However certain rocks, (such as lapis lazuli) and organic materials (such as amber or jet) are not minerals, but are still used for jewelry, and are therefore often considered to be gemstones as well. Most gemstones are hard, but some soft minerals are used in jewelry because of their lustre or other physical properties that have aesthetic value. Rarity is another characteristic that lends value to a gemstone." - Source: en.wikipedia.org/wiki/Gemstone


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