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White Opal and Hackmanite Physical Properties


Hackmanite and White Opal Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.98-2.50   
2.27-2.33   

Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)   
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)   

Cleavage
Not Available   
Not Available   

Mohs Hardness
5.5-6.5   
5.5-6   

Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)   
Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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White Opal and Hackmanite Chemical Formula

While comparing White Opal and Hackmanite 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 White Opal and Hackmanite chemical formula.

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White Opal and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is White Opal and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use White Opal and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of White Opal is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.

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