Hibonite and Realgar Physical Properties

Hibonite

Realgar

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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

3.843.56

1 7.18

1.5 Fracture

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

(e.g. graphite).

1.6 Cleavage

{0001} good, {10 1 0} parting

{010} Good

1.7 Mohs Hardness

7.5-8Not Available

2 10

1.8 Chemical Composition

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

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

Hibonite and Realgar Chemical Formula

While comparing Hibonite and Realgar 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 Realgar chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

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Hibonite and Realgar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Realgar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Realgar Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 3.56 whereas that of Realgar is 3.56.