Simpsonite and Star Ruby Physical Properties

Simpsonite

Star Ruby

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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

Not Available3.95-4.10

1 7.18

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

7-7.5Not Available

2 10

1.8 Chemical Composition

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Simpsonite and Star Ruby Chemical Formula

While comparing Simpsonite and Star Ruby 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 Simpsonite and Star Ruby chemical formula.

Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Simpsonite and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Simpsonite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Simpsonite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Simpsonite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.