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Pyrope
Pyrope

Bertrandite
Bertrandite



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Pyrope
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Bertrandite

Pyrope and Bertrandite 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)
 
-
-
-
2.59-2.60
-
{001} Perfect, {110} Distinct, {101} Distinct
6-7
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Pyrope and Bertrandite Chemical Formula

While comparing Pyrope and Bertrandite 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 Bertrandite chemical formula.

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Pyrope and Bertrandite Specific Gravity

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