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Atacamite
Atacamite

Crystal Opal
Crystal Opal



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Atacamite
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Crystal Opal

Atacamite and Crystal Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.745-3.776
Conchoidal
Perfect on {010}, fair on {101}
3-3.5
Cu2Cl(OH)3
 
-
-
-
1.97-2.22
Conchoidal
None
5.5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.

Atacamite and Crystal Opal Chemical Formula

While comparing Atacamite and Crystal Opal 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 Crystal Opal chemical formula.

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Atacamite and Crystal Opal Specific Gravity

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