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Chalcedony and Smoky Quartz Physical Properties


Smoky Quartz and Chalcedony Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.70   
2.65   

Fracture
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann   
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)   

Cleavage
Absent   
{0110} Indistinct   

Mohs Hardness
6.5-7   
7   

Chemical Composition
SiO2   
SiO2   

Optical Properties >>
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Chalcedony and Smoky Quartz Chemical Formula

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

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Chalcedony and Smoky Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chalcedony and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcedony and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Chalcedony is 2.65 whereas that of Smoky Quartz is 2.65.

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