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Apophyllite KF
Apophyllite KF

Nepheline
Nepheline



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Apophyllite KF
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Nepheline

Apophyllite KF and Nepheline Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.33-2.37
Uneven
Perfect on {001}, imperfect on {110}
4.5-5
(K,Na)Ca4Si8O20(F,OH)•8(H2O)
 
-
-
-
2.55-2.65
Subconchoidal, Conchoidal
[1010] Poor
5-6
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Apophyllite KF and Nepheline Chemical Formula

While comparing Apophyllite KF and Nepheline 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 Nepheline chemical formula.

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Apophyllite KF and Nepheline Specific Gravity

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