Narsarsukite and Thulite Physical Properties

Narsarsukite

Thulite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.72-2.833.1

1 7.18

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Fracture

Uneven

Uneven, Conchoidal

Cleavage

Good on {100} and {110}

Perfect {010} imperfect {100}

Mohs Hardness

6-76-7

2 10

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Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Narsarsukite and Thulite Chemical Formula

While comparing Narsarsukite and Thulite 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 Narsarsukite and Thulite chemical formula.

Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)

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Narsarsukite and Thulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Narsarsukite and Thulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Narsarsukite and Thulite Optical Properties during the identification of gemstone. Specific gravity of Narsarsukite is 3.1 whereas that of Thulite is 3.1.