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Apophyllite
Apophyllite

Feldspar
Feldspar



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Apophyllite
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Feldspar

Apophyllite and Feldspar Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.30-2.502.56-2.75
Amber
1 7.18
1.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)
1.6 Cleavage
Perfect on (001)
two or three
1.7 Mohs Hardness
4.5-56-6.5
Amber
2 10
1.8 Chemical Composition
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Not Available

Apophyllite and Feldspar Chemical Formula

While comparing Apophyllite and Feldspar 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 Feldspar chemical formula.

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

Another important criteria for qualitative analysis of gemstones is Apophyllite and Feldspar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite and Feldspar Optical Properties during the identification of gemstone. Specific gravity of Apophyllite is 2.56-2.75 whereas that of Feldspar is 2.56-2.75.