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Rosasite
Rosasite

Common Opal
Common Opal



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Rosasite
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Common Opal

Rosasite and Common Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Effervesces in cold
-
4-4.2
Splintery
Perfect on {100} and {010}
4
CuZn(CO3)(OH)2
 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Rosasite and Common Opal Chemical Formula

While comparing Rosasite and Common 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 Rosasite and Common Opal chemical formula.

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Rosasite and Common Opal Specific Gravity

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