Villiaumite and Rubellite Physical Properties

Villiaumite

Rubellite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.793.01-3.06

1 7.18

1.5 Fracture

Brittle, Metallic

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{100} Perfect, {010} Perfect, {001} Perfect

Not Available

1.7 Mohs Hardness

27-7.5

2 10

1.8 Chemical Composition

NaFUlrich Henn and Claudio C.

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.

Villiaumite and Rubellite Chemical Formula

While comparing Villiaumite 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 Villiaumite and Rubellite chemical formula.

Chemical formula of Villiaumite- NaFUlrich Henn and Claudio C.
Chemical formula of Rubellite- 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.

Compare Gems Found in America

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Villiaumite and Rubellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Villiaumite and Rubellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Villiaumite and Rubellite Optical Properties during the identification of gemstone. Specific gravity of Villiaumite is 3.01-3.06 whereas that of Rubellite is 3.01-3.06.