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Hibonite
Hibonite

Brucite
Brucite



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Hibonite
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Brucite

Hibonite and Brucite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Sectile
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.842.39
Amber
1 7.18
1.5 Fracture
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Irregular
1.6 Cleavage
{0001} good, {10 1 0} parting
Perfect on {0001}
1.7 Mohs Hardness
7.5-82.5
Amber
2 10
1.8 Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
Mg(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Hibonite and Brucite Chemical Formula

While comparing Hibonite and Brucite 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 Brucite chemical formula.

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

Hibonite and Brucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Brucite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 2.39 whereas that of Brucite is 2.39.