Nickeline and Phlogopite Physical Properties

Nickeline

Phlogopite

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1 Physical Properties

1.1 Tenacity

Brittle

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.78-2.85

1 7.18

1.5 Fracture

Conchoidal, Uneven

None, Uneven

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

Perfect basal (001)

1.7 Mohs Hardness

5-5.52-2.5

2 10

1.8 Chemical Composition

Not Available

Nickeline and Phlogopite Chemical Formula

While comparing Nickeline 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 Nickeline and Phlogopite chemical formula.

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Nickeline and Phlogopite Specific Gravity

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