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Boulder Opal
Boulder Opal

Dumortierite quartz
Dumortierite quartz



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Boulder Opal
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Dumortierite quartz

Boulder Opal and Dumortierite quartz Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

1.98-2.25-9999
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

None
-

Mohs Hardness

5-6.5-9999
2 10
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Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.
Al7BO3(SiO4)3O3

Boulder Opal and Dumortierite quartz Chemical Formula

While comparing Boulder Opal and Dumortierite quartz 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 Dumortierite quartz chemical formula.

  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
  • Chemical formula of Dumortierite quartz- Al7BO3(SiO4)3O3

Boulder Opal and Dumortierite quartz Specific Gravity

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