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Onyx
Onyx

Tugtupite
Tugtupite



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Onyx
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Tugtupite

Onyx and Tugtupite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.55-2.70
-
Indiscernible
6.5-7
SiO2
 
-
-
-
2.30-2.60
Uneven, Conchoidal
{111} Imperfect
5.5-6
Na 4AlBeSi 4O 12ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Onyx and Tugtupite Chemical Formula

While comparing Onyx and Tugtupite 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 Onyx and Tugtupite chemical formula.

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Onyx and Tugtupite Specific Gravity

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