Willemite and Wavellite Physical Properties

Willemite

Wavellite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.89-4.182.36

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

1.6 Cleavage

{0001}, {11 2 0} imperfect

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

1.7 Mohs Hardness

5.53.5-4

2 10

1.8 Chemical Composition

Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Willemite and Wavellite Chemical Formula

While comparing Willemite 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 Willemite and Wavellite chemical formula.

Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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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Willemite and Wavellite Specific Gravity

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