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Dumortierite quartz
Dumortierite quartz

Common Opal
Common Opal



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Dumortierite quartz
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Common Opal

Dumortierite quartz and Common Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
-
-9999
Al7BO3(SiO4)3O3
 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Dumortierite quartz and Common Opal Chemical Formula

While comparing Dumortierite quartz and Common Opal 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 Dumortierite quartz and Common Opal chemical formula.

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Dumortierite quartz and Common Opal Specific Gravity

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