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Calcite
Calcite

Powellite
Powellite



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Calcite
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Powellite

Calcite and Powellite Physical Properties

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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
2.67-2.734.23
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
1.6 Cleavage
Perfect on [10 1 1] three directions with angle of 74° 55
{111} Distinct
1.7 Mohs Hardness
33.5-4
Amber
2 10
1.8 Chemical Composition
CaCO 3Ulrich Henn and Claudio C.
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Calcite and Powellite Chemical Formula

While comparing Calcite and Powellite 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 Powellite chemical formula.

  • Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.
  • Chemical formula of Powellite- CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Calcite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Calcite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Calcite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Calcite is 4.23 whereas that of Powellite is 4.23.