Atacamite and Prasiolite Physical Properties

Atacamite

Prasiolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.745-3.7762.65

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Perfect on {010}, fair on {101}

3,1

1.7 Mohs Hardness

3-3.57

2 10

1.8 Chemical Composition

Cu2Cl(OH)3

SiO 2Ulrich Henn and Claudio C.

Atacamite and Prasiolite Chemical Formula

While comparing Atacamite and Prasiolite 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 Prasiolite chemical formula.

Chemical formula of Atacamite- Cu2Cl(OH)3
Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.

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Atacamite and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Atacamite and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 2.65 whereas that of Prasiolite is 2.65.