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Williamsite
Williamsite

Rubellite
Rubellite



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Williamsite
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Rubellite

Williamsite and Rubellite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.51-2.63
Conchoidal
Perfect
4
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
 
-
-
-
3.01-3.06
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.

Williamsite and Rubellite Chemical Formula

While comparing Williamsite and Rubellite 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 Williamsite and Rubellite chemical formula.

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Williamsite and Rubellite Specific Gravity

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