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Mimetite
Mimetite

Williamsite
Williamsite



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Mimetite
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Williamsite

Mimetite and Williamsite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
7.102.51-2.63
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, Conchoidal, Handbook of mineralogy (2001)
1.6 Cleavage
[10 1 1] Imperfect
Not Available
1.7 Mohs Hardness
3.54
Amber
2 10
1.8 Chemical Composition
Pb 5(AsO 4) 3ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Mimetite and Williamsite Chemical Formula

While comparing Mimetite 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 Mimetite and Williamsite chemical formula.

  • Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Mimetite and Williamsite Specific Gravity

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