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Chalcedony
Chalcedony

Quartz
Quartz



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Chalcedony
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Quartz

Chalcedony and Quartz Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
Soluble
-
2.55-2.70
Uneven, Splintery, Conchoidal
Absent
6.5-7
SiO2
 
Brittle
-
-
2.65
Conchoidal
{0110} Indistinct
7
SiO2

Chalcedony and Quartz Chemical Formula

While comparing Chalcedony and 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 Quartz chemical formula.

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Chalcedony and Quartz Specific Gravity

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