Rubellite and Sogdianite Physical Properties

Rubellite

Sogdianite

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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

3.01-3.062.77-2.90

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Not Available

{0001} Perfect

1.7 Mohs Hardness

7-7.57

2 10

1.8 Chemical Composition

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.

(K,Na) 2(Li,Fe) 3(Zr,Ti,Fe)Si 12O 30Ulrich Henn and Claudio C.

Rubellite and Sogdianite Chemical Formula

While comparing Rubellite and Sogdianite 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 Sogdianite chemical formula.

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.
Chemical formula of Sogdianite- (K,Na) 2(Li,Fe) 3(Zr,Ti,Fe)Si 12O 30Ulrich Henn and Claudio C.

Compare Blue Gemstones

Rubellite Vs Shattuckite

Rubellite Vs Serendibite

Rubellite Vs Scorzalite

Rubellite and Sogdianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rubellite and Sogdianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rubellite and Sogdianite Optical Properties during the identification of gemstone. Specific gravity of Rubellite is 2.77-2.90 whereas that of Sogdianite is 2.77-2.90.