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Pectolite and Cuprite Physical Properties


Cuprite and Pectolite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.74-2.90   
5.85-6.15   

Fracture
Uneven, Gemstones (2009), Splintery   
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal   

Cleavage
Perfect on {100} and {001}   
Fair in four directions forming octahedrons   

Mohs Hardness
4.5-5   
3.5-4   

Chemical Composition
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.   
Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Pectolite and Cuprite Chemical Formula

While comparing Pectolite and Cuprite 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 Cuprite chemical formula.

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Pectolite and Cuprite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pectolite and Cuprite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite and Cuprite Optical Properties during the identification of gemstone. Specific gravity of Pectolite is 5.85-6.15 whereas that of Cuprite is 5.85-6.15.

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