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Benitoite
Benitoite

Boulder Opal
Boulder Opal



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Benitoite
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Boulder Opal

Benitoite and Boulder Opal Physical Properties

Physical Properties

Tenacity

-
-

Solubility

Insoluble: HCl
-

Durability

-
-

Specific Gravity

3.61-3.681.98-2.25
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

[10 1 1] poor
None

Mohs Hardness

6-6.55-6.5
2 10
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Chemical Composition

BaTiSi 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SiO 2 + H 2OUlrich Henn and Claudio C.

Benitoite and Boulder Opal Chemical Formula

While comparing Benitoite 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 Benitoite and Boulder Opal chemical formula.

  • Chemical formula of Benitoite- BaTiSi 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Benitoite and Boulder Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Benitoite and Boulder Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Benitoite and Boulder Opal Optical Properties during the identification of gemstone. Specific gravity of Benitoite is 1.98-2.25 whereas that of Boulder Opal is 1.98-2.25.