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Chlorite group
Chlorite group

Gahnite
Gahnite



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Chlorite group
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Gahnite

Chlorite group and Gahnite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.6-3.3
Lamellar
Perfect 001
2-2.5
(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6
 
-
-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Chlorite group and Gahnite Chemical Formula

While comparing Chlorite group and Gahnite 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 Chlorite group and Gahnite chemical formula.

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Chlorite group and Gahnite Specific Gravity

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