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Black Opal
Black Opal

Wernerite
Wernerite



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Black Opal
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Wernerite

Black Opal and Wernerite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.97-2.22
Conchoidal
None
6-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.
 
-
-
-
2.50-2.80
-
Perfect
5-6.5
Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)

Black Opal and Wernerite Chemical Formula

While comparing Black Opal and Wernerite 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 Black Opal and Wernerite chemical formula.

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Black Opal and Wernerite Specific Gravity

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