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Pyrope
Pyrope

Pollucite
Pollucite



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Pyrope
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Pollucite

Pyrope and Pollucite Physical Properties

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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
Readily soluble in HF
-
2.86-2.94
Conchoidal, Uneven
None observed
6.5-7
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Pyrope and Pollucite Chemical Formula

While comparing Pyrope and Pollucite 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 Pollucite chemical formula.

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Pyrope and Pollucite Specific Gravity

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