Beryl and Wavellite Physical Properties

Beryl

Wavellite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

2.60-2.902.36

1 7.18

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Fracture

Uneven, Conchoidal, Irregular

Uneven, Subconchoidal, Fibrous

Cleavage

Imperfect on {0001}

[110] perfect, [101] good, [010] distinct

Mohs Hardness

7.5-83.5-4

2 10

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Chemical Composition

Be₃Al₂Si₆O₁₈

Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Beryl and Wavellite Chemical Formula

While comparing Beryl and Wavellite 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 Beryl and Wavellite chemical formula.

Chemical formula of Beryl- Be₃Al₂Si₆O₁₈
Chemical formula of Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Beryl and Wavellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryl and Wavellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryl and Wavellite Optical Properties during the identification of gemstone. Specific gravity of Beryl is 2.36 whereas that of Wavellite is 2.36.