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Apophyllite KF and Violane Physical Properties


Violane and Apophyllite KF Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.33-2.37   
3.22-3.40   

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

Cleavage
Perfect on {001}, imperfect on {110}   
Not Available   

Mohs Hardness
4.5-5   
5-6   

Chemical Composition
(K,Na)Ca4Si8O20(F,OH)•8(H2O)   
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)   

Optical Properties >>
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Apophyllite KF and Violane Chemical Formula

While comparing Apophyllite KF and Violane 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 Apophyllite KF and Violane chemical formula.

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Apophyllite KF and Violane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Violane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Violane Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is 3.22-3.40 whereas that of Violane is 3.22-3.40.

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