Elbaite and Narsarsukite Physical Properties

Elbaite

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

2.90-3.102.72-2.83

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Poor/indistinct on {1120} and {1011}

Good on {100} and {110}

1.7 Mohs Hardness

76-7

2 10

1.8 Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

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

Elbaite and Narsarsukite Chemical Formula

While comparing Elbaite 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 Elbaite and Narsarsukite chemical formula.

Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

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Elbaite and Narsarsukite Specific Gravity

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