Rosasite and Boulder Opal Physical Properties

Rosasite

Boulder Opal

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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}

CuZn(CO3)(OH)2

1.98-2.25

Conchoidal

None

5-6.5

SiO 2 + H 2OUlrich Henn and Claudio C.

Rosasite and Boulder Opal Chemical Formula

While comparing Rosasite and Boulder 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 Boulder Opal chemical formula.

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Rosasite and Boulder Opal Specific Gravity

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