Hibonite and Dioptase Physical Properties

Hibonite

Dioptase

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.843.25-3.35

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

{0001} good, {10 1 0} parting

Perfect in three directions

1.7 Mohs Hardness

7.5-85

2 10

1.8 Chemical Composition

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

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Hibonite and Dioptase Chemical Formula

While comparing Hibonite and Dioptase 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 Dioptase chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Hibonite and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.