Hibonite and Allanite Physical Properties

Hibonite

Allanite

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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

3.843.40-4.20

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{0001} good, {10 1 0} parting

Not Available

1.7 Mohs Hardness

7.5-8Not Available

2 10

1.8 Chemical Composition

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

Not Available

Hibonite and Allanite Chemical Formula

While comparing Hibonite and Allanite 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 Allanite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

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Hibonite and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Allanite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 3.40-4.20 whereas that of Allanite is 3.40-4.20.