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Ruby
Ruby

Anorthite
Anorthite



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Ruby
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Anorthite

Ruby and Anorthite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.97-4.052.77
Amber
1 7.18
1.5 Fracture
Conchoidal
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
No true cleavage
Perfect [001] good [010] poor [110]
1.7 Mohs Hardness
96-6.5
Amber
2 10
1.8 Chemical Composition
Al 2 O 3
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Ruby and Anorthite Chemical Formula

While comparing 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 Ruby and Anorthite chemical formula.

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

Ruby and Anorthite Specific Gravity

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