Atacamite and Charoite Physical Properties

Atacamite

Charoite

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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

3.745-3.7762.54-2.78

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {010}, fair on {101}

Good in three directions

1.7 Mohs Hardness

3-3.55-6

2 10

1.8 Chemical Composition

Cu2Cl(OH)3

K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Atacamite and Charoite Chemical Formula

While comparing Atacamite and Charoite 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 Atacamite and Charoite chemical formula.

Chemical formula of Atacamite- Cu2Cl(OH)3
Chemical formula of Charoite- K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Atacamite and Charoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Atacamite and Charoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Charoite Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 2.54-2.78 whereas that of Charoite is 2.54-2.78.