Adamite and Williamsite Physical Properties

Adamite

Williamsite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.482.51-2.63

1 7.18

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

1.6 Cleavage

{101}, good; {010}, poor

Not Available

1.7 Mohs Hardness

3.54

2 10

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Adamite and Williamsite Chemical Formula

While comparing Adamite 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 Adamite and Williamsite chemical formula.

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

Compare Blue Gemstones

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Adamite Vs Anyolite

Adamite Vs Anhydrite

Adamite and Williamsite Specific Gravity

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