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Boulder Opal
Boulder Opal

Taaffeite
Taaffeite



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Boulder Opal
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Taaffeite

Boulder Opal and Taaffeite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

1.98-2.253.60-3.61
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

None
Imperfect/fair/absent

Mohs Hardness

5-6.58-8.5
2 10
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Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

Boulder Opal and Taaffeite Chemical Formula

While comparing Boulder Opal and Taaffeite 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 Taaffeite chemical formula.

  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
  • Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

Boulder Opal and Taaffeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boulder Opal and Taaffeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Taaffeite Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 3.60-3.61 whereas that of Taaffeite is 3.60-3.61.