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Pyrope
Pyrope

Mottramite
Mottramite



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Pyrope
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Mottramite

Pyrope and Mottramite 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
Soluble
-
5.9
Sub-Conchoidal
None observed
3
PbCu(VO4)(OH)

Pyrope and Mottramite Chemical Formula

While comparing Pyrope and Mottramite 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 Mottramite chemical formula.

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Pyrope and Mottramite Specific Gravity

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