Vishnevite and Wavellite Physical Properties

Vishnevite

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

Not Available2.36

1 7.18

1.5 Fracture

Brittle, Uneven

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

1.6 Cleavage

Perfect

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

1.7 Mohs Hardness

5-63.5-4

2 10

1.8 Chemical Composition

Not Available

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

Vishnevite and Wavellite Chemical Formula

While comparing Vishnevite 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 Vishnevite and Wavellite chemical formula.

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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Vishnevite and Wavellite Specific Gravity

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