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Purpurite
Purpurite

Williamsite
Williamsite



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Purpurite
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Williamsite

Purpurite and Williamsite 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
3.2-3.42.51-2.63
Amber
1 7.18
1.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
Conchoidal, Conchoidal, Handbook of mineralogy (2001)
1.6 Cleavage
[100] [001] perfect
Not Available
1.7 Mohs Hardness
4-4.54
Amber
2 10
1.8 Chemical Composition
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Purpurite and Williamsite Chemical Formula

While comparing Purpurite and Williamsite 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 Williamsite chemical formula.

  • Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Purpurite and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Williamsite Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.