Elbaite and Chrysoberyl Physical Properties

Elbaite

Chrysoberyl

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.90-3.103.69-3.81

1 7.18

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Fracture

Uneven, Conchoidal

Uneven, Conchoidal to uneven, ConchoidalWalter Schumann

Cleavage

Poor/indistinct on {1120} and {1011}

Distinct on {110}, imperfect on {010}, poor on {001}

Mohs Hardness

78.5

2 10

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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

BeAl ₂ O ₄

Elbaite and Chrysoberyl Chemical Formula

While comparing Elbaite and Chrysoberyl 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 Chrysoberyl 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 Chrysoberyl- BeAl ₂ O ₄

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Elbaite and Chrysoberyl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Chrysoberyl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Chrysoberyl Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 3.69-3.81 whereas that of Chrysoberyl is 3.69-3.81.