Narsarsukite and Calcite Physical Properties

Narsarsukite

Calcite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.72-2.832.67-2.73

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Good on {100} and {110}

Perfect on [10 1 1] three directions with angle of 74° 55

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.

CaCO 3Ulrich Henn and Claudio C.

Narsarsukite and Calcite Chemical Formula

While comparing Narsarsukite and Calcite 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 Calcite chemical formula.

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

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Narsarsukite and Calcite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Narsarsukite and Calcite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Narsarsukite and Calcite Optical Properties during the identification of gemstone. Specific gravity of Narsarsukite is 2.67-2.73 whereas that of Calcite is 2.67-2.73.