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Apophyllite KF and Hibonite Physical Properties


Hibonite 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   
3.84   

Fracture
Uneven, Brittle, Uneven, Brittle, Uneven   
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   

Cleavage
Perfect on {001}, imperfect on {110}   
{0001} good, {10 1 0} parting   

Mohs Hardness
4.5-5   
7.5-8   

Chemical Composition
(K,Na)Ca4Si8O20(F,OH)•8(H2O)   
(Ca,Ce)(Al,Ti,Mg)12O19   

Optical Properties >>
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Apophyllite KF and Hibonite Chemical Formula

While comparing Apophyllite KF and Hibonite 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 Hibonite chemical formula.

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Apophyllite KF and Hibonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is 3.84 whereas that of Hibonite is 3.84.

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