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Pumpellyite and Precious Opal Physical Properties


Precious Opal and Pumpellyite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.20-3.30   
1.98-2.25   

Fracture
Not Available   
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references   

Cleavage
Not Available   
Not Available   

Mohs Hardness
5-6   
5-6.5   

Chemical Composition
Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.   
SiO 2 · nH 2OGemdat.org , Management Team (2012)   

Optical Properties >>
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Pumpellyite and Precious Opal Chemical Formula

While comparing Pumpellyite 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 Pumpellyite and Precious Opal chemical formula.

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Pumpellyite and Precious Opal Specific Gravity

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

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Green Gemstones


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