Phlogopite and Glaucophane Physical Properties

Phlogopite

Glaucophane

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1 Physical Properties

1.1 Tenacity

Tough

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.853-3.15

1 7.18

1.5 Fracture

None, Uneven

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Perfect basal (001)

Good on [110] and on [001]

1.7 Mohs Hardness

2-2.56.0-6.5

2 10

1.8 Chemical Composition

Not Available

[ ]Na2(Mg3Al2)Si8O22(OH)2

Phlogopite and Glaucophane Chemical Formula

While comparing Phlogopite and Glaucophane 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 Glaucophane chemical formula.

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

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Phlogopite and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 3-3.15 whereas that of Glaucophane is 3-3.15.