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Ruby and Apophyllite KF Physical Properties


Apophyllite KF and Ruby Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.97-4.05   
2.33-2.37   

Fracture
Conchoidal   
Uneven, Brittle, Uneven, Brittle, Uneven   

Cleavage
No true cleavage   
Perfect on {001}, imperfect on {110}   

Mohs Hardness
9   
4.5-5   

Chemical Composition
Al 2 O 3   
(K,Na)Ca4Si8O20(F,OH)•8(H2O)   

Optical Properties >>
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Ruby and Apophyllite KF Chemical Formula

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

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Ruby and Apophyllite KF Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Apophyllite KF Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Apophyllite KF Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.33-2.37 whereas that of Apophyllite KF is 2.33-2.37.

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