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Crystal Opal
Crystal Opal

Gahnospinel
Gahnospinel



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Crystal Opal
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Gahnospinel

Crystal Opal and Gahnospinel 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.
 
-
-
-
3.65-4.55
Conchoidal
None, but may exhibit slight parting
7.5-8
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Crystal Opal and Gahnospinel Chemical Formula

While comparing Crystal Opal and Gahnospinel 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 Gahnospinel chemical formula.

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Crystal Opal and Gahnospinel Specific Gravity

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