Eosphorite and Vivianite Physical Properties

Eosphorite

Vivianite

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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

3.05-3.082.64-2.70

1 7.18

1.5 Fracture

Subconchoidal, Uneven, Conchoidal, Uneven

(e.g. graphite).

1.6 Cleavage

Poor on {100}

{010} Perfect

1.7 Mohs Hardness

5Not Available

2 10

1.8 Chemical Composition

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

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Eosphorite and Vivianite Chemical Formula

While comparing Eosphorite and Vivianite 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 Vivianite chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

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Eosphorite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eosphorite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eosphorite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Eosphorite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.