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Sard
Sard

Verdelite
Verdelite



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Sard
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Verdelite

Sard and Verdelite 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.
 
-
-
-
2.90-3.40
Conchoidal
Indiscernible
7-7.5
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Sard and Verdelite Chemical Formula

While comparing Sard and Verdelite 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 Verdelite chemical formula.

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Sard and Verdelite Specific Gravity

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