Biotite and Whitlockite Physical Properties

Biotite

Whitlockite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

2.7-3.3

Uneven, Even

Perfect on the {001}

2.5-3.0

K(Mg,Fe++)3[AlSi3O10(OH,F)2

3.12

Uneven

None

-9999

Ca 9(Mg,Fe2+ )(PO 4) 6(PO 3OH)Anthony et al , Handbook of mineralogy (2001)

Biotite and Whitlockite Chemical Formula

While comparing Biotite and Whitlockite 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 Biotite and Whitlockite chemical formula.

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Biotite and Whitlockite Specific Gravity

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