Eosphorite and Zoisite Physical Properties

Eosphorite

Zoisite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.05-3.083.20-3.50

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal

Uneven, Conchoidal, Even

Cleavage

Poor on {100}

Perfect {010} imperfect {100}

Mohs Hardness

56-7

2 10

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Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Eosphorite and Zoisite Chemical Formula

While comparing Eosphorite and Zoisite 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 Zoisite chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)

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Eosphorite and Zoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eosphorite and Zoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eosphorite and Zoisite Optical Properties during the identification of gemstone. Specific gravity of Eosphorite is 3.20-3.50 whereas that of Zoisite is 3.20-3.50.