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Chalcedony and Diaspore Physical Properties


Diaspore and Chalcedony Physical Properties


Physical Properties

Tenacity
Not Available   
Very brittle   

Solubility
Soluble   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.70   
3.30-3.40   

Fracture
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann   
Conchoidal, Brittle, Conchoidal   

Cleavage
Absent   
{010} perfect, {110} distinct, {100} in traces   

Mohs Hardness
6.5-7   
6.5-7   

Chemical Composition
SiO2   
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Chalcedony and Diaspore Chemical Formula

While comparing Chalcedony and Diaspore 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 Diaspore chemical formula.

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Chalcedony and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chalcedony and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcedony and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Chalcedony is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.

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