Biotite and Indicolite Physical Properties

Biotite

Indicolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.7-3.3Not Available

1 7.18

1.5 Fracture

Uneven, Even, Yellow, White

Not Available

1.6 Cleavage

Perfect on the {001}

Not Available

1.7 Mohs Hardness

2.5-3.0Not Available

2 10

1.8 Chemical Composition

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

Not Available

Biotite and Indicolite Chemical Formula

While comparing Biotite and Indicolite 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 Indicolite chemical formula.

Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

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Biotite and Indicolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Biotite and Indicolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Biotite and Indicolite Optical Properties during the identification of gemstone. Specific gravity of Biotite is Not Available whereas that of Indicolite is Not Available.