Glaucophane and Phlogopite Physical Properties

Glaucophane

Phlogopite

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1 Physical Properties

1.1 Tenacity

Not Available

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3-3.152.78-2.85

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

None, Uneven

1.6 Cleavage

Good on [110] and on [001]

Perfect basal (001)

1.7 Mohs Hardness

6.0-6.52-2.5

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

Not Available

Glaucophane and Phlogopite Chemical Formula

While comparing Glaucophane and Phlogopite 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 Glaucophane and Phlogopite chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

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Glaucophane and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glaucophane and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glaucophane and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Glaucophane is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.