Chlorastrolite and Hibonite Physical Properties

Chlorastrolite

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

3.1-3.53.84

1 7.18

1.5 Fracture

Granular

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

1.6 Cleavage

Not Available

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

5-67.5-8

2 10

1.8 Chemical Composition

Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

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

Chlorastrolite and Hibonite Chemical Formula

While comparing Chlorastrolite 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 Chlorastrolite and Hibonite chemical formula.

Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

Compare Green Gemstones

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Chlorastrolite Vs Chrysotile

Chlorastrolite and Hibonite Specific Gravity

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