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Williamsite
Williamsite

Adamite
Adamite



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Williamsite
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Adamite

Williamsite and Adamite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.51-2.634.32-4.48
Amber
1 7.18
1.5 Fracture
Conchoidal, Conchoidal, Handbook of mineralogy (2001)
Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic
1.6 Cleavage
Not Available
{101}, good; {010}, poor
1.7 Mohs Hardness
43.5
Amber
2 10
1.8 Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)

Williamsite and Adamite Chemical Formula

While comparing Williamsite and Adamite 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 Adamite chemical formula.

  • Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)

Williamsite and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Williamsite and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Williamsite and Adamite Optical Properties during the identification of gemstone. Specific gravity of Williamsite is 4.32-4.48 whereas that of Adamite is 4.32-4.48.