Eosphorite and Hercynite Physical Properties

Eosphorite

Hercynite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.05-3.084.39

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal

Uneven

Cleavage

Poor on {100}

{111} Indistinct, {111} Indistinct, {111} Indistinct

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)

Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Eosphorite and Hercynite Chemical Formula

While comparing Eosphorite and Hercynite 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 Hercynite chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

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Eosphorite and Hercynite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eosphorite and Hercynite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eosphorite and Hercynite Optical Properties during the identification of gemstone. Specific gravity of Eosphorite is 4.39 whereas that of Hercynite is 4.39.