Eosphorite and Hibonite Physical Properties

Eosphorite

Hibonite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.05-3.083.84

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal

Subconchoidal, Conchoidal

Cleavage

Poor on {100}

{0001} good, {10 1 0} parting

Mohs Hardness

57.5-8

2 10

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Chemical Composition

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

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

Eosphorite and Hibonite Chemical Formula

While comparing Eosphorite and Hibonite 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 Eosphorite and Hibonite chemical formula.

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

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Eosphorite and Hibonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eosphorite and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eosphorite and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Eosphorite is 3.84 whereas that of Hibonite is 3.84.