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Apophyllite
Apophyllite

Prasiolite
Prasiolite



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Apophyllite
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Prasiolite

Apophyllite and Prasiolite 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
2.30-2.50
2.65
1.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Perfect on (001)
3,1
1.7 Mohs Hardness
4.5-5
7
1.8 Chemical Composition
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
SiO 2Ulrich Henn and Claudio C.

Apophyllite and Prasiolite Chemical Formula

While comparing Apophyllite and Prasiolite 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 and Prasiolite chemical formula.

  • Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
  • Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.

Apophyllite and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite is 2.65 whereas that of Prasiolite is 2.65.