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Sellaite
Sellaite

Apophyllite KF
Apophyllite KF



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Sellaite
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Apophyllite KF

Sellaite and Apophyllite KF Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.14-3.16
Conchoidal
Perfect on {010} and {110}
5-5.5
MgF 2Ulrich Henn and Claudio C.
 
Brittle
-
-
2.33-2.37
Uneven
Perfect on {001}, imperfect on {110}
4.5-5
(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Sellaite and Apophyllite KF Chemical Formula

While comparing Sellaite 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 Sellaite and Apophyllite KF chemical formula.

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Sellaite and Apophyllite KF Specific Gravity

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