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Lazurite and Smoky Quartz Physical Properties


Smoky Quartz and Lazurite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.75   
2.65   

Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle   
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)   

Cleavage
Imperfect on {110}   
{0110} Indistinct   

Mohs Hardness
5.5   
7   

Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.   
SiO2   

Optical Properties >>
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Lazurite and Smoky Quartz Chemical Formula

While comparing Lazurite and Smoky Quartz 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 Lazurite and Smoky Quartz chemical formula.

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Lazurite and Smoky Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazurite and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Lazurite is 2.65 whereas that of Smoky Quartz is 2.65.

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