Hibonite and Eosphorite Physical Properties

Hibonite

Eosphorite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.843.05-3.08

1 7.18

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Fracture

Subconchoidal, Conchoidal

Subconchoidal, Uneven, Conchoidal

Cleavage

{0001} good, {10 1 0} parting

Poor on {100}

Mohs Hardness

7.5-85

2 10

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Chemical Composition

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

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Hibonite and Eosphorite Chemical Formula

While comparing Hibonite and Eosphorite 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 Eosphorite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Hibonite and Eosphorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Eosphorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Eosphorite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 3.05-3.08 whereas that of Eosphorite is 3.05-3.08.