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Powellite
Powellite

Pyrope
Pyrope



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Powellite
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Pyrope

Powellite and Pyrope Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
insoluble in water
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.233.62-3.87
Amber
1 7.18
1.5 Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
{111} Distinct
None
1.7 Mohs Hardness
3.5-47-7.5
Amber
2 10
1.8 Chemical Composition
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Powellite and Pyrope Chemical Formula

While comparing Powellite and Pyrope 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 Powellite and Pyrope chemical formula.

  • Chemical formula of Powellite- CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Pyrope- Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Powellite and Pyrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Powellite and Pyrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Powellite and Pyrope Optical Properties during the identification of gemstone. Specific gravity of Powellite is 3.62-3.87 whereas that of Pyrope is 3.62-3.87.