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Black Opal
Black Opal

Beryl
Beryl



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Black Opal
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Beryl

Black Opal and Beryl Physical Properties

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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.
 
Brittle
-
-
2.60-2.90
Uneven, Conchoidal, Irregular
Imperfect on {0001}
7.5-8
Be3Al2Si6O18

Black Opal and Beryl Chemical Formula

While comparing Black Opal and Beryl 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 Beryl chemical formula.

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Black Opal and Beryl Specific Gravity

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