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Pyrophyllite
Pyrophyllite

Grossular
Grossular



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Pyrophyllite
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Grossular

Pyrophyllite and Grossular 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
2.65-2.903.55-3.73
Amber
1 7.18
1.5 Fracture
Gemstones (2009), Flexible Flexible fragments.
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
{001} Perfect
none
1.7 Mohs Hardness
Not Available7-7.5
Amber
2 10
1.8 Chemical Composition
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Pyrophyllite and Grossular Chemical Formula

While comparing Pyrophyllite and Grossular 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 Pyrophyllite and Grossular chemical formula.

  • Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Grossular- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Pyrophyllite and Grossular Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Grossular Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Grossular Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 3.55-3.73 whereas that of Grossular is 3.55-3.73.