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Star Ruby
Star Ruby

Hibonite
Hibonite



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Star Ruby
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Hibonite

Star Ruby and Hibonite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.95-4.103.84
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
Not Available
{0001} good, {10 1 0} parting
1.7 Mohs Hardness
Not Available7.5-8
Amber
2 10
1.8 Chemical Composition
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
(Ca,Ce)(Al,Ti,Mg)12O19

Star Ruby and Hibonite Chemical Formula

While comparing Star Ruby and Hibonite 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 Hibonite chemical formula.

  • Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

Star Ruby and Hibonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Ruby and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is 3.84 whereas that of Hibonite is 3.84.