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Mottramite
Mottramite

Rubellite
Rubellite



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Mottramite
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Rubellite

Mottramite and Rubellite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
5.9
Sub-Conchoidal
None observed
3
PbCu(VO4)(OH)
 
-
-
-
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.

Mottramite and Rubellite Chemical Formula

While comparing Mottramite 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 Mottramite and Rubellite chemical formula.

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Mottramite and Rubellite Specific Gravity

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