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Star Ruby
Star Ruby

Anorthite
Anorthite



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Star Ruby
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Anorthite

Star Ruby and Anorthite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.95-4.102.77
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
Not Available
Perfect [001] good [010] poor [110]
1.7 Mohs Hardness
Not Available6-6.5
Amber
2 10
1.8 Chemical Composition
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Star Ruby and Anorthite Chemical Formula

While comparing Star Ruby and Anorthite 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 Anorthite chemical formula.

  • Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Anorthite- CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Star Ruby and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Ruby and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is 2.77 whereas that of Anorthite is 2.77.