Eosphorite and Aragonite Physical Properties

Eosphorite

Aragonite

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Physical Properties

Tenacity

Brittle

Solubility

Dilute acid

Durability

Specific Gravity

3.05-3.082.93-2.96

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal

Subconchoidal, Conchoidal

Cleavage

Poor on {100}

Distinct on {010}, imperfect {110} and {011}

Mohs Hardness

53.5-4

2 10

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Chemical Composition

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

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Eosphorite and Aragonite Chemical Formula

While comparing Eosphorite and Aragonite 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 Aragonite chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Eosphorite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eosphorite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eosphorite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Eosphorite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.