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Williamsite
Williamsite

Jacobsite
Jacobsite



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Williamsite
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Jacobsite

Williamsite and Jacobsite 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
2.51-2.634.76-5.03
Amber
1 7.18
1.5 Fracture
Conchoidal, Conchoidal, Handbook of mineralogy (2001)
Conchoidal, Brittle
1.6 Cleavage
Not Available
None
1.7 Mohs Hardness
45.5-6.5
Amber
2 10
1.8 Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Williamsite and Jacobsite Chemical Formula

While comparing Williamsite and Jacobsite 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 Williamsite and Jacobsite chemical formula.

  • Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Williamsite and Jacobsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Williamsite and Jacobsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Williamsite and Jacobsite Optical Properties during the identification of gemstone. Specific gravity of Williamsite is 4.76-5.03 whereas that of Jacobsite is 4.76-5.03.