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Precious Opal
Precious Opal

Pyrope
Pyrope



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Precious Opal
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Pyrope

Precious Opal and Pyrope Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 · nH 2OGemdat.org , Management Team (2012)
 
-
insoluble in water
-
3.62-3.87
Conchoidal
None
7-7.5
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Precious Opal and Pyrope Chemical Formula

While comparing Precious Opal 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 Precious Opal and Pyrope chemical formula.

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Precious Opal and Pyrope Specific Gravity

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