Shattuckite and Atacamite Physical Properties

Shattuckite

Atacamite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.80-4.153.745-3.776

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

perfect along [010] and [100]

Perfect on {010}, fair on {101}

1.7 Mohs Hardness

3.5-43-3.5

2 10

1.8 Chemical Composition

Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cu2Cl(OH)3

Shattuckite and Atacamite Chemical Formula

While comparing Shattuckite and Atacamite 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 Shattuckite and Atacamite chemical formula.

Chemical formula of Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Atacamite- Cu2Cl(OH)3

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Shattuckite and Atacamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Shattuckite and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shattuckite and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Shattuckite is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.