Narsarsukite and Dallasite Physical Properties

Narsarsukite

Dallasite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.72-2.832.58-2.91

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Good on {100} and {110}

Not Available

1.7 Mohs Hardness

6-76.5-7

2 10

1.8 Chemical Composition

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

Not Available

Narsarsukite and Dallasite Chemical Formula

While comparing Narsarsukite and Dallasite 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 Dallasite chemical formula.

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

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Narsarsukite and Dallasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Narsarsukite and Dallasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Narsarsukite and Dallasite Optical Properties during the identification of gemstone. Specific gravity of Narsarsukite is 2.58-2.91 whereas that of Dallasite is 2.58-2.91.