Muscovite and Rubellite Physical Properties

Muscovite

Rubellite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Elastic

2.78-2.88

Perfect on the {001}

2-3

KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

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.

Muscovite and Rubellite Chemical Formula

While comparing Muscovite 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 Muscovite and Rubellite chemical formula.

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Muscovite and Rubellite Specific Gravity

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