Elbaite and Topaz Physical Properties

Elbaite

Topaz

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.90-3.10

Uneven, Conchoidal

Poor/indistinct on {1120} and {1011}

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

3.49-3.57

Subconchoidal, Uneven, Conchoidal

[001] Perfect

Al₂SiO₄(F,OH)₂

Elbaite and Topaz Chemical Formula

While comparing Elbaite and Topaz 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 Topaz chemical formula.

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Elbaite and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite Vs Topaz during the identification of gemstone. Specific gravity of Elbaite is whereas that of Topaz is .