Augite and Eosphorite Physical Properties

Augite

Eosphorite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.19-3.563.05-3.08

1 7.18

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Fracture

Uneven, Conchoidal

Subconchoidal, Uneven, Conchoidal

Cleavage

{110} Perfect, {010} Indistinct

Poor on {100}

Mohs Hardness

5.5-65

2 10

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Chemical Composition

(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

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

Augite and Eosphorite Chemical Formula

While comparing Augite 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 Augite and Eosphorite chemical formula.

Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

Augite Vs Chalcopyrite

Augite Vs Chlorapatite

Augite Vs Chlorastrolite

Augite and Eosphorite Specific Gravity

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