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Moldavite
Moldavite

Apophyllite KF
Apophyllite KF



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Moldavite
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Apophyllite KF

Moldavite 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
2.32-2.38
2.33-2.37
1.5 Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Brittle, Uneven, Brittle, Uneven
1.6 Cleavage
Not Available
Perfect on {001}, imperfect on {110}
1.7 Mohs Hardness
5.5
4.5-5
1.8 Chemical Composition
SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Moldavite and Apophyllite KF Chemical Formula

While comparing Moldavite 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 Moldavite and Apophyllite KF chemical formula.

  • Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
  • Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

Moldavite and Apophyllite KF Specific Gravity

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