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Chrysoberyl
Chrysoberyl

Boulder Opal
Boulder Opal



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Chrysoberyl
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Boulder Opal

Chrysoberyl and Boulder Opal Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.69-3.811.98-2.25
1 7.18
👆🏻

Fracture

Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Conchoidal

Cleavage

Distinct on {110}, imperfect on {010}, poor on {001}
None

Mohs Hardness

8.55-6.5
2 10
👆🏻

Chemical Composition

BeAl 2 O 4
SiO 2 + H 2OUlrich Henn and Claudio C.

Chrysoberyl and Boulder Opal Chemical Formula

While comparing Chrysoberyl 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 Chrysoberyl and Boulder Opal chemical formula.

  • Chemical formula of Chrysoberyl- BeAl 2 O 4
  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Chrysoberyl and Boulder Opal Specific Gravity

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