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Star Ruby
Star Ruby

Simpsonite
Simpsonite



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Star Ruby
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Simpsonite

Star Ruby and Simpsonite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.95-4.10-9999
1 7.18
👆🏻

Fracture

Uneven
Conchoidal

Cleavage

None
None

Mohs Hardness

-99997-7.5
2 10
👆🏻

Chemical Composition

Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Star Ruby and Simpsonite Chemical Formula

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

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

Star Ruby and Simpsonite Specific Gravity

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