Clinohumite and Hibonite Physical Properties

Clinohumite

Hibonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.13-3.753.84

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

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

1.6 Cleavage

Poor on {100}

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

67.5-8

2 10

1.8 Chemical Composition

(Mg,Fe2+ ) 9(SiO 4) 4(F,OH)) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Clinohumite and Hibonite Chemical Formula

While comparing Clinohumite 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 Clinohumite and Hibonite chemical formula.

Chemical formula of Clinohumite- (Mg,Fe2+ ) 9(SiO 4) 4(F,OH)) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

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Clinohumite and Hibonite Specific Gravity

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