Hibonite and Diaspore Physical Properties

Hibonite

Diaspore

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1 Physical Properties

1.1 Tenacity

Not Available

Very brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.843.30-3.40

1 7.18

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

{0001} good, {10 1 0} parting

{010} perfect, {110} distinct, {100} in traces

1.7 Mohs Hardness

7.5-86.5-7

2 10

1.8 Chemical Composition

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

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Hibonite and Diaspore Chemical Formula

While comparing Hibonite and Diaspore 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 Diaspore chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Hibonite and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.