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Rubellite
Rubellite

Mottramite
Mottramite



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Rubellite
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Mottramite

Rubellite and Mottramite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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

Rubellite and Mottramite Chemical Formula

While comparing Rubellite and Mottramite 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 Rubellite and Mottramite chemical formula.

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Rubellite and Mottramite Specific Gravity

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