Narsarsukite and Rosasite Physical Properties

Narsarsukite

Rosasite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Effervesces in cold

1.3 Durability

Not Available

1.4 Specific Gravity

2.72-2.834-4.2

1 7.18

1.5 Fracture

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

Splintery

1.6 Cleavage

Good on {100} and {110}

Perfect on {100} and {010}

1.7 Mohs Hardness

6-74

2 10

1.8 Chemical Composition

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

Not Available

Narsarsukite and Rosasite Chemical Formula

While comparing Narsarsukite and Rosasite 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 Rosasite 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 Rosasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Narsarsukite and Rosasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Narsarsukite and Rosasite Optical Properties during the identification of gemstone. Specific gravity of Narsarsukite is 4-4.2 whereas that of Rosasite is 4-4.2.