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Prehnite
Prehnite

Pyrope
Pyrope



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Prehnite
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Pyrope

Prehnite and Pyrope Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.80-2.95
Uneven
Distinct on [001]
6-6.5
Ca2Al2Si3O12(OH)
 
-
insoluble in water
-
3.62-3.87
Conchoidal
None
7-7.5
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Prehnite and Pyrope Chemical Formula

While comparing Prehnite and Pyrope physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Prehnite and Pyrope chemical formula.

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Prehnite and Pyrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Prehnite and Pyrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prehnite Vs Pyrope during the identification of gemstone. Specific gravity of Prehnite is whereas that of Pyrope is .