Chrysotile and Biotite Physical Properties

Chrysotile

Biotite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

insoluble in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.632.7-3.3

1 7.18

1.5 Fracture

Fibrous

Uneven, Even, Yellow, White

1.6 Cleavage

Not Available

Perfect on the {001}

1.7 Mohs Hardness

2.5-4.52.5-3.0

2 10

1.8 Chemical Composition

Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)

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

Chrysotile and Biotite Chemical Formula

While comparing Chrysotile 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 Chrysotile and Biotite chemical formula.

Chemical formula of Chrysotile- Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)
Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

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Chrysotile and Biotite Specific Gravity

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