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Crystal Opal and Orthoclase Physical Properties


Orthoclase and Crystal Opal Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.97-2.22   
2.54-2.61   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
Gems, Uneven   

Cleavage
Not Available   
Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.   

Mohs Hardness
5.5-6.5   
6   

Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.   
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Crystal Opal and Orthoclase Chemical Formula

While comparing Crystal Opal and Orthoclase 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 Crystal Opal and Orthoclase chemical formula.

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Crystal Opal and Orthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crystal Opal and Orthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crystal Opal and Orthoclase Optical Properties during the identification of gemstone. Specific gravity of Crystal Opal is 2.54-2.61 whereas that of Orthoclase is 2.54-2.61.

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