Biotite and Mother of Pearl Physical Properties

Biotite

Mother of Pearl

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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

2.7-3.32.65-2.87

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

2.5-3.02.5-4.5

2 10

1.8 Chemical Composition

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

Not Available

Biotite and Mother of Pearl Chemical Formula

While comparing Biotite and Mother of Pearl 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 Mother of Pearl chemical formula.

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

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Biotite and Mother of Pearl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Biotite and Mother of Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Biotite and Mother of Pearl Optical Properties during the identification of gemstone. Specific gravity of Biotite is 2.65-2.87 whereas that of Mother of Pearl is 2.65-2.87.