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Calcite
Calcite

Apophyllite
Apophyllite



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Calcite
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Calcite and Apophyllite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.67-2.73
2.30-2.50
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
Perfect on [10 1 1] three directions with angle of 74° 55
Perfect on (001)
1.7 Mohs Hardness
3
4.5-5
1.8 Chemical Composition
CaCO 3Ulrich Henn and Claudio C.
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Calcite and Apophyllite Chemical Formula

While comparing Calcite and Apophyllite 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 Calcite and Apophyllite chemical formula.

  • Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.
  • Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Calcite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Calcite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Calcite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Calcite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.

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