Eosphorite and Fayalite Physical Properties

Eosphorite

Fayalite

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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

3.05-3.084.392

1 7.18

1.5 Fracture

Subconchoidal, Uneven, Conchoidal, Uneven

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

Poor on {100}

{010} moderate, {100} imperfect

1.7 Mohs Hardness

56.5-7

2 10

1.8 Chemical Composition

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

Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Eosphorite and Fayalite Chemical Formula

While comparing Eosphorite and Fayalite 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 Fayalite chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Eosphorite and Fayalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eosphorite and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eosphorite and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Eosphorite is 4.392 whereas that of Fayalite is 4.392.