Narsarsukite and Rock Crystal Physical Properties

Narsarsukite

Rock Crystal

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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

2.72-2.832.65

1 7.18

1.5 Fracture

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

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Good on {100} and {110}

Not Available

1.7 Mohs Hardness

6-77

2 10

1.8 Chemical Composition

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

SiO 2Walter Schumann , Gemstones of the world (2001)

Narsarsukite and Rock Crystal Chemical Formula

While comparing Narsarsukite and Rock Crystal 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 Rock Crystal chemical formula.

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

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Narsarsukite and Rock Crystal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Narsarsukite and Rock Crystal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Narsarsukite and Rock Crystal Optical Properties during the identification of gemstone. Specific gravity of Narsarsukite is 2.65 whereas that of Rock Crystal is 2.65.