Foitite and Zoisite Physical Properties

Foitite

Zoisite

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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)

3.20-3.50

Uneven, Conchoidal, Even

Perfect {010} imperfect {100}

6-7

Ca₂Al₃(SiO₄)₃(OH)

Foitite and Zoisite Chemical Formula

While comparing Foitite and Zoisite 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 Zoisite chemical formula.

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Foitite and Zoisite Specific Gravity

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