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Gahnite
Gahnite

Chalcedony
Chalcedony



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Gahnite
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Chalcedony

Gahnite and Chalcedony Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
Soluble
-
2.55-2.70
Uneven, Splintery, Conchoidal
Absent
6.5-7
SiO2

Gahnite and Chalcedony Chemical Formula

While comparing Gahnite and Chalcedony 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 Gahnite and Chalcedony chemical formula.

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Gahnite and Chalcedony Specific Gravity

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