Eosphorite and Hibschite Physical Properties

Eosphorite

Hibschite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.083.05-3.08

1 7.18

1.5 Fracture

Subconchoidal, Uneven, Conchoidal, Uneven

Uneven, Uneven, Irregular, Management Team (2012), Conchoidal, Brittle

1.6 Cleavage

Poor on {100}

None

1.7 Mohs Hardness

56.5

2 10

1.8 Chemical Composition

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

Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)

Eosphorite and Hibschite Chemical Formula

While comparing Eosphorite and Hibschite 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 Hibschite chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Hibschite- Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)

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Eosphorite and Hibschite Specific Gravity

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