Hibonite and Bustamite Physical Properties

Hibonite

Bustamite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Partly soluble in HCl.

1.3 Durability

Not Available

1.4 Specific Gravity

3.843.32-3.43

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{0001} good, {10 1 0} parting

{100} perfect; {110} and {1 1 0} good; {010} poor

1.7 Mohs Hardness

7.5-85.5-6

2 10

1.8 Chemical Composition

(Ca,Ce)(Al,Ti,Mg)12O19

(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Hibonite and Bustamite Chemical Formula

While comparing Hibonite and Bustamite 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 Bustamite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Hibonite and Bustamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.