Foitite and Eosphorite Physical Properties

Foitite

Eosphorite

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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

3.173.05-3.08

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

Subconchoidal, Uneven, Conchoidal, Uneven

1.6 Cleavage

None

Poor on {100}

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

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

Foitite and Eosphorite Chemical Formula

While comparing Foitite and Eosphorite 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 Foitite and Eosphorite chemical formula.

Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Violet Gemstones

Foitite Vs Labradorite

Foitite Vs Hydrogrossular

Foitite Vs Hureaulite

Foitite and Eosphorite Specific Gravity

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