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Quartz Smoky
Quartz Smoky

Opal
Opal



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Quartz Smoky
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Opal

Quartz Smoky and Opal Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
BrittleWalter Schumann
1.2 Solubility
Not Available
hot salt water
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available1.98-2.25
Amber
1 7.18
1.5 Fracture
Not Available
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
1.6 Cleavage
Not Available
None
1.7 Mohs Hardness
75-6.5
Amber
2 10
1.8 Chemical Composition
Not Available
SiO2 · nH2O

Quartz Smoky and Opal Chemical Formula

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

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  • Chemical formula of Opal- SiO2 · nH2O

Quartz Smoky and Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Quartz Smoky and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Quartz Smoky and Opal Optical Properties during the identification of gemstone. Specific gravity of Quartz Smoky is 1.98-2.25 whereas that of Opal is 1.98-2.25.