Foitite and Hibschite Physical Properties

Foitite

Hibschite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.17

None

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

3.05-3.08

Uneven, Irregular, Conchoidal

None

6.5

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

Foitite and Hibschite Chemical Formula

While comparing Foitite 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 Foitite and Hibschite chemical formula.

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Foitite and Hibschite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Foitite and Hibschite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Foitite Vs Hibschite during the identification of gemstone. Specific gravity of Foitite is whereas that of Hibschite is .