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Boulder Opal
Boulder Opal

Opal Australia
Opal Australia



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Boulder Opal
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Opal Australia

Boulder Opal and Opal Australia Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

1.98-2.25-9999
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

None
None

Mohs Hardness

5-6.55.5-6.5
2 10
👆🏻

Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.
SiO2*nH2O

Boulder Opal and Opal Australia Chemical Formula

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

  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
  • Chemical formula of Opal Australia- SiO2*nH2O

Boulder Opal and Opal Australia Specific Gravity

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