Elbaite and Weloganite Physical Properties

Elbaite

Weloganite

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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

2.90-3.103.20-3.22

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

Poor/indistinct on {1120} and {1011}

Perfect on pseudo {0001}

1.7 Mohs Hardness

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

Not Available

Elbaite and Weloganite Chemical Formula

While comparing Elbaite and Weloganite 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 Weloganite 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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Elbaite and Weloganite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Weloganite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Weloganite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 3.20-3.22 whereas that of Weloganite is 3.20-3.22.