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Wavellite and Opal Physical Properties


Opal and Wavellite Physical Properties


Physical Properties

Tenacity
Not Available   
BrittleWalter Schumann   

Solubility
insoluble   
hot salt water   

Durability
Not Available   
Not Available   

Specific Gravity
2.36   
1.98-2.25   

Fracture
Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous   
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle   

Cleavage
[110] perfect, [101] good, [010] distinct   
None   

Mohs Hardness
3.5-4   
5-6.5   

Chemical Composition
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
SiO2 · nH2O   

Optical Properties >>
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Wavellite and Opal Chemical Formula

While comparing Wavellite and Opal 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 Wavellite and Opal chemical formula.

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Wavellite and Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wavellite and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wavellite and Opal Optical Properties during the identification of gemstone. Specific gravity of Wavellite is 1.98-2.25 whereas that of Opal is 1.98-2.25.

Green Gemstones

Green Gemstones


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