Clinozoisite and Biotite Physical Properties

Clinozoisite

Biotite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.21-3.382.7-3.3

1 7.18

1.5 Fracture

Irregular/uneven, Uneven

Uneven, Even, Yellow, White

1.6 Cleavage

Perfect on {001}

Perfect on the {001}

1.7 Mohs Hardness

6-72.5-3.0

2 10

1.8 Chemical Composition

Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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

Clinozoisite and Biotite Chemical Formula

While comparing Clinozoisite 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 Clinozoisite and Biotite chemical formula.

Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

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Clinozoisite and Biotite Specific Gravity

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