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Jet
Jet

Black Opal
Black Opal



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Jet
X
Black Opal

Jet and Black Opal Physical Properties

Jet
Jet
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.19-1.35
ConchoidalWalter Schumann
None
2.5-4
C
 
-
-
-
1.97-2.22
Conchoidal
None
6-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.

Jet and Black Opal Chemical Formula

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

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Jet and Black Opal Specific Gravity

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