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Sardonyx and Bertrandite Physical Properties


Bertrandite and Sardonyx Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.70   
2.59-2.60   

Fracture
Not Available   
Brittle, Metallic, Brittle, Metallic   

Cleavage
Not Available   
{001} Perfect, {110} Distinct, {101} Distinct   

Mohs Hardness
6.5-7   
6-7   

Chemical Composition
SiO 2Ulrich Henn and Claudio C.   
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Sardonyx and Bertrandite Chemical Formula

While comparing Sardonyx and Bertrandite 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 Sardonyx and Bertrandite chemical formula.

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Sardonyx and Bertrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.

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