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Purpurite
Purpurite

Grossular
Grossular



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Purpurite
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Grossular

Purpurite 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
3.2-3.43.55-3.73
Amber
1 7.18
1.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
[100] [001] perfect
none
1.7 Mohs Hardness
4-4.57-7.5
Amber
2 10
1.8 Chemical Composition
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Purpurite and Grossular Chemical Formula

While comparing Purpurite 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 Purpurite and Grossular chemical formula.

  • Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Grossular- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Purpurite and Grossular Specific Gravity

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