Phlogopite and Zinnwaldite Physical Properties

Phlogopite

Zinnwaldite

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1 Physical Properties

1.1 Tenacity

Tough

Elastic

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.852.9-3.1

1 7.18

1.5 Fracture

None, Uneven

Uneven

1.6 Cleavage

Perfect basal (001)

Perfect basal {001}

1.7 Mohs Hardness

2-2.53.5-4.0

2 10

1.8 Chemical Composition

Not Available

Phlogopite and Zinnwaldite Chemical Formula

While comparing Phlogopite and Zinnwaldite 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 Zinnwaldite chemical formula.

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Phlogopite and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.