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Opal
Opal

Crystal Quartz
Crystal Quartz



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Opal
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Crystal Quartz

Opal and Crystal Quartz Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O
 
-
-
-
-9999
-
None
7
SiO2

Opal and Crystal Quartz Chemical Formula

While comparing Opal and Crystal Quartz 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 Opal and Crystal Quartz chemical formula.

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Opal and Crystal Quartz Specific Gravity

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