Catapleiite and Rubellite Physical Properties

Catapleiite

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

2.723.01-3.06

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

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

1.6 Cleavage

{110} Perfect, {010} Perfect

Not Available

1.7 Mohs Hardness

5-67-7.5

2 10

1.8 Chemical Composition

Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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.

Catapleiite and Rubellite Chemical Formula

While comparing Catapleiite 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 Catapleiite and Rubellite chemical formula.

Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
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.

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Catapleiite and Rubellite Specific Gravity

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