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Pyrope
Pyrope

Poudretteite
Poudretteite



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Pyrope
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Poudretteite

Pyrope and Poudretteite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble in water
-
3.62-3.87
Conchoidal
None
7-7.5
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
 
Brittle
-
-
2.51-2.53
Conchoidal, Splintery
None
5
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Pyrope and Poudretteite Chemical Formula

While comparing Pyrope and Poudretteite 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 Pyrope and Poudretteite chemical formula.

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Pyrope and Poudretteite Specific Gravity

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