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Sard
Sard

Powellite
Powellite



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Sard
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Sard and Powellite Physical Properties

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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
2.58-2.634.23
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
1.6 Cleavage
Not Available
{111} Distinct
1.7 Mohs Hardness
6.5-73.5-4
Amber
2 10
1.8 Chemical Composition
SiO 2Ulrich Henn and Claudio C.
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Sard and Powellite Chemical Formula

While comparing Sard 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 Sard and Powellite chemical formula.

  • Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.
  • Chemical formula of Powellite- CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Sard and Powellite Specific Gravity

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