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Crystal Opal
Crystal Opal

Danburite
Danburite



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Crystal Opal
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Danburite

Crystal Opal and Danburite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.97-2.22
Conchoidal
None
5.5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.
 
Brittle
-
-
2.97-3.03
Uneven, ConchoidalWalter Schumann, Conchoidal
{001} Poor
7
CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Crystal Opal and Danburite Chemical Formula

While comparing Crystal Opal and Danburite 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 Crystal Opal and Danburite chemical formula.

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Crystal Opal and Danburite Specific Gravity

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