Nacre and Elbaite Physical Properties

Nacre

Elbaite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.90-3.10

1 7.18

1.13 Fracture

Not Available

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

1.14 Cleavage

Not Available

Poor/indistinct on {1120} and {1011}

1.15 Mohs Hardness

Not Available7

2 10

1.16 Chemical Composition

Not Available

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

Nacre and Elbaite Chemical Formula

While comparing Nacre and Elbaite 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 Nacre and Elbaite 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

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Nacre and Elbaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nacre and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nacre and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Nacre is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.