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Rossmanite and Precious Opal Physical Properties


Precious Opal and Rossmanite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3   
1.98-2.25   

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

Cleavage
None   
Not Available   

Mohs Hardness
Not Available   
5-6.5   

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

Optical Properties >>
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Rossmanite and Precious Opal Chemical Formula

While comparing Rossmanite and Precious 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 Rossmanite and Precious Opal chemical formula.

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Rossmanite and Precious Opal Specific Gravity

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

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