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Iolite
Iolite

Apophyllite KF
Apophyllite KF



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Iolite
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Apophyllite KF

Iolite and Apophyllite KF Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.6-2.7
2.33-2.37
1.5 Fracture
Not Available
Uneven, Brittle, Uneven, Brittle, Uneven
1.6 Cleavage
3,1
Perfect on {001}, imperfect on {110}
1.7 Mohs Hardness
7-7.5
4.5-5
1.8 Chemical Composition
Mg2Al4Si5O18
(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Iolite and Apophyllite KF Chemical Formula

While comparing Iolite 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 Iolite and Apophyllite KF chemical formula.

  • Chemical formula of Iolite- Mg2Al4Si5O18
  • Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

Iolite and Apophyllite KF Specific Gravity

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