Phlogopite and Gyrolite Physical Properties

Phlogopite

Gyrolite

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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

2.78-2.852.48

1 7.18

1.5 Fracture

None, Uneven

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

Perfect basal (001)

Perfect on {001}

1.7 Mohs Hardness

2-2.52

2 10

1.8 Chemical Composition

Not Available

NaCa16Si23AlO60(OH)8•64(H2O)

Phlogopite and Gyrolite Chemical Formula

While comparing Phlogopite and Gyrolite 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 Gyrolite chemical formula.

Chemical formula of Gyrolite- NaCa16Si23AlO60(OH)8•64(H2O)

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Phlogopite and Gyrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Gyrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Gyrolite Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 2.48 whereas that of Gyrolite is 2.48.