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Boulder Opal
Boulder Opal

Rosasite
Rosasite



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Boulder Opal
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Rosasite

Boulder Opal and Rosasite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.
 
Brittle
Effervesces in cold
-
4-4.2
Splintery
Perfect on {100} and {010}
4
CuZn(CO3)(OH)2

Boulder Opal and Rosasite Chemical Formula

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

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Boulder Opal and Rosasite Specific Gravity

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