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Pectolite and Crystal Opal Physical Properties


Crystal Opal and Pectolite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.74-2.90   
1.97-2.22   

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

Cleavage
Perfect on {100} and {001}   
Not Available   

Mohs Hardness
4.5-5   
5.5-6.5   

Chemical Composition
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.   
SiO 2 + H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Pectolite and Crystal Opal Chemical Formula

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

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Pectolite and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pectolite and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Pectolite is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.

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