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Hibonite
Hibonite

Grandidierite
Grandidierite



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Hibonite
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Hibonite and Grandidierite 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
3.84
2.85-3.00
1.5 Fracture
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
1.6 Cleavage
{0001} good, {10 1 0} parting
Perfect
1.7 Mohs Hardness
7.5-8
7.5
1.8 Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Hibonite and Grandidierite Chemical Formula

While comparing Hibonite and Grandidierite 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 Grandidierite chemical formula.

  • Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
  • Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Hibonite and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.