Afghanite and Narsarsukite Physical Properties

Afghanite

Narsarsukite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.652.72-2.83

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect {10 1 0}

Good on {100} and {110}

1.7 Mohs Hardness

5.5-66-7

2 10

1.8 Chemical Composition

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

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

Afghanite and Narsarsukite Chemical Formula

While comparing Afghanite and Narsarsukite 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 Afghanite and Narsarsukite chemical formula.

Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

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Afghanite and Narsarsukite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Narsarsukite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Narsarsukite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 2.72-2.83 whereas that of Narsarsukite is 2.72-2.83.