Phlogopite and Clinozoisite Physical Properties

Phlogopite

Clinozoisite

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1 Physical Properties

1.1 Tenacity

Tough

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.85

3.21-3.38

1.5 Fracture

None, Uneven

Irregular/uneven, Uneven

1.6 Cleavage

Perfect basal (001)

Perfect on {001}

1.7 Mohs Hardness

2-2.5

6-7

1.8 Chemical Composition

Not Available

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

Phlogopite and Clinozoisite Chemical Formula

While comparing Phlogopite and Clinozoisite 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 Phlogopite and Clinozoisite chemical formula.

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

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Phlogopite and Clinozoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Clinozoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Clinozoisite Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 3.21-3.38 whereas that of Clinozoisite is 3.21-3.38.