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Opal
Opal

Apophyllite KF
Apophyllite KF



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Opal
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Apophyllite KF

Opal and Apophyllite KF Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O
 
Brittle
-
-
2.33-2.37
Uneven
Perfect on {001}, imperfect on {110}
4.5-5
(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Opal and Apophyllite KF Chemical Formula

While comparing Opal 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 Opal and Apophyllite KF chemical formula.

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Opal and Apophyllite KF Specific Gravity

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