Rubellite and Paraiba Physical Properties

Rubellite

Paraiba

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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

3.01-3.063.04-3.13

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Not Available

1.7 Mohs Hardness

7-7.57-7.5

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.

Not Available

Rubellite and Paraiba Chemical Formula

While comparing Rubellite and Paraiba 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 Paraiba 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.

Compare Blue Gemstones

Rubellite Vs Shattuckite

Rubellite Vs Serendibite

Rubellite Vs Scorzalite

Rubellite and Paraiba Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rubellite and Paraiba Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rubellite and Paraiba Optical Properties during the identification of gemstone. Specific gravity of Rubellite is 3.04-3.13 whereas that of Paraiba is 3.04-3.13.