Barite and Biotite Physical Properties

Barite

Biotite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.482.7-3.3

1 7.18

1.5 Fracture

Uneven

Uneven, Even, Yellow, White

1.6 Cleavage

{010} Perfect, {210} Perfect, {010} Imperfect

Perfect on the {001}

1.7 Mohs Hardness

3-3.52.5-3.0

2 10

1.8 Chemical Composition

BaSO4

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

Barite and Biotite Chemical Formula

While comparing Barite and Biotite 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 Barite and Biotite chemical formula.

Chemical formula of Barite- BaSO4
Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

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Barite and Biotite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Barite and Biotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Barite and Biotite Optical Properties during the identification of gemstone. Specific gravity of Barite is 2.7-3.3 whereas that of Biotite is 2.7-3.3.