Phlogopite and Narsarsukite Physical Properties

Phlogopite

Narsarsukite

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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

2.78-2.852.72-2.83

1 7.18

1.5 Fracture

None, Uneven

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

1.6 Cleavage

Perfect basal (001)

Good on {100} and {110}

1.7 Mohs Hardness

2-2.56-7

2 10

1.8 Chemical Composition

Not Available

Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

Phlogopite and Narsarsukite Chemical Formula

While comparing Phlogopite and Narsarsukite 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 Narsarsukite chemical formula.

Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

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Phlogopite and Narsarsukite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Narsarsukite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Narsarsukite Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 2.72-2.83 whereas that of Narsarsukite is 2.72-2.83.