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Tortoiseshell
Tortoiseshell

Opal
Opal



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Tortoiseshell
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Opal

Tortoiseshell and Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.25-1.35
-
None
-9999
-
 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O

Tortoiseshell and Opal Chemical Formula

While comparing Tortoiseshell and 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 Tortoiseshell and Opal chemical formula.

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Tortoiseshell and Opal Specific Gravity

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