Rubellite and Grossular Garnet Physical Properties

Rubellite

Grossular Garnet

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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

3.01-3.063.6

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

7-7.56.5-7.5

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.

Ca₃Al₂Si₃O₁₂

Rubellite and Grossular Garnet Chemical Formula

While comparing Rubellite and Grossular Garnet 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 Grossular Garnet 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 Grossular Garnet- Ca₃Al₂Si₃O₁₂

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Rubellite Vs Shattuckite

Rubellite and Grossular Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rubellite and Grossular Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rubellite and Grossular Garnet Optical Properties during the identification of gemstone. Specific gravity of Rubellite is 3.6 whereas that of Grossular Garnet is 3.6.