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Periclase and Precious Opal Physical Properties


Precious Opal and Periclase Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.7-3.9   
1.98-2.25   

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

Cleavage
{001} perfect; {111} imperfect, may exhibit parting on , {011}   
Not Available   

Mohs Hardness
5.5-6   
5-6.5   

Chemical Composition
MgOMichael O’Donoghue , Gems, Sixth Edition (2006)   
SiO 2 · nH 2OGemdat.org , Management Team (2012)   

Optical Properties >>
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Periclase and Precious Opal Chemical Formula

While comparing Periclase 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 Periclase and Precious Opal chemical formula.

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Periclase and Precious Opal Specific Gravity

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

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