Narsarsukite and Leucite Physical Properties

Narsarsukite

Leucite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.72-2.832.45-2.50

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Good on {100} and {110}

Poor on {110}

1.7 Mohs Hardness

6-75.5-6

2 10

1.8 Chemical Composition

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

KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Narsarsukite and Leucite Chemical Formula

While comparing Narsarsukite and Leucite 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 Leucite chemical formula.

Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Chemical formula of Leucite- KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Narsarsukite and Leucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Narsarsukite and Leucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Narsarsukite and Leucite Optical Properties during the identification of gemstone. Specific gravity of Narsarsukite is 2.45-2.50 whereas that of Leucite is 2.45-2.50.