Narsarsukite and Wulfenite Physical Properties

Narsarsukite

Wulfenite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.72-2.836.50-7.00

1 7.18

1.5 Fracture

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

Irregular, Brittle, Conchoidal

1.6 Cleavage

Good on {100} and {110}

On {011}, distinct; on {001}, {013}, indistinct

1.7 Mohs Hardness

6-73

2 10

1.8 Chemical Composition

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

PbMoO 4Walter Schumann , Gemstones of the world (2001)

Narsarsukite and Wulfenite Chemical Formula

While comparing Narsarsukite and Wulfenite 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 Wulfenite chemical formula.

Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)

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Narsarsukite and Wulfenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Narsarsukite and Wulfenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Narsarsukite and Wulfenite Optical Properties during the identification of gemstone. Specific gravity of Narsarsukite is 6.50-7.00 whereas that of Wulfenite is 6.50-7.00.