Biotite and Clinochlore Physical Properties

Biotite

Clinochlore

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

2.7-3.3

Uneven, Even

Perfect on the {001}

2.5-3.0

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

2.60-3.02

Uneven

{001} Perfect

2-2.5

(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)

Biotite and Clinochlore Chemical Formula

While comparing Biotite and Clinochlore 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 Clinochlore chemical formula.

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Biotite and Clinochlore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Biotite and Clinochlore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Biotite Vs Clinochlore during the identification of gemstone. Specific gravity of Biotite is whereas that of Clinochlore is .