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Hibonite
Hibonite

Topaz
Topaz



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Hibonite
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Topaz

Hibonite and Topaz Physical Properties

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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
3.843.49-3.57
Amber
1 7.18
1.5 Fracture
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
{0001} good, {10 1 0} parting
[001] Perfect
1.7 Mohs Hardness
7.5-88
Amber
2 10
1.8 Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
Al2SiO4(F,OH)2

Hibonite and Topaz Chemical Formula

While comparing Hibonite and Topaz 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 Hibonite and Topaz chemical formula.

  • Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
  • Chemical formula of Topaz- Al2SiO4(F,OH)2

Hibonite and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Topaz Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 3.49-3.57 whereas that of Topaz is 3.49-3.57.