Hibonite and Iolite Physical Properties

Hibonite

Iolite

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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

3.842.6-2.7

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

3,1

1.7 Mohs Hardness

7.5-87-7.5

2 10

1.8 Chemical Composition

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

Mg₂Al₄Si₅O₁₈

Hibonite and Iolite Chemical Formula

While comparing Hibonite and Iolite 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 Iolite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Hibonite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.