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Sard
Sard

Bertrandite
Bertrandite



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Sard
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Bertrandite

Sard and Bertrandite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.58-2.63
Conchoidal
None
6.5-7
SiO 2Ulrich Henn and Claudio C.
 
-
-
-
2.59-2.60
-
{001} Perfect, {110} Distinct, {101} Distinct
6-7
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Sard and Bertrandite Chemical Formula

While comparing Sard 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 Sard and Bertrandite chemical formula.

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Sard and Bertrandite Specific Gravity

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