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Milky quartz
Milky quartz

Common Opal
Common Opal



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Milky quartz
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Common Opal

Milky quartz and Common Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
-9999
SiO2
 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Milky quartz and Common Opal Chemical Formula

While comparing Milky 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 Milky quartz and Common Opal chemical formula.

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Milky quartz and Common Opal Specific Gravity

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