Biotite and Baryte Physical Properties

Biotite

Baryte

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.7-3.34.3-5

1 7.18

1.5 Fracture

Uneven, Even, Yellow, White

Irregular/uneven

1.6 Cleavage

Perfect on the {001}

Perfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect

1.7 Mohs Hardness

2.5-3.03-3.5

2 10

1.8 Chemical Composition

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

Not Available

Biotite and Baryte Chemical Formula

While comparing Biotite and Baryte 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 Baryte chemical formula.

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

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Biotite and Baryte Specific Gravity

Another important criteria for qualitative analysis of gemstones is Biotite and Baryte Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Biotite and Baryte Optical Properties during the identification of gemstone. Specific gravity of Biotite is 4.3-5 whereas that of Baryte is 4.3-5.