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Opal and Rossmanite Physical Properties


Rossmanite and Opal Physical Properties


Physical Properties

Tenacity
BrittleWalter Schumann   
Not Available   

Solubility
hot salt water   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.98-2.25   
3   

Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle   
Brittle, Metallic   

Cleavage
None   
None   

Mohs Hardness
5-6.5   
Not Available   

Chemical Composition
SiO2 · nH2O   
◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)   

Optical Properties >>
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Opal and Rossmanite Chemical Formula

While comparing Opal and Rossmanite 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 Opal and Rossmanite chemical formula.

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Opal and Rossmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Opal and Rossmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal and Rossmanite Optical Properties during the identification of gemstone. Specific gravity of Opal is 3 whereas that of Rossmanite is 3.

Semi Precious

Semi Precious


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