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Gahnite
Gahnite

Chlorite group
Chlorite group



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Gahnite
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Chlorite group

Gahnite and Chlorite group 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)
 
-
-
-
2.6-3.3
Lamellar
Perfect 001
2-2.5
(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6

Gahnite and Chlorite group Chemical Formula

While comparing Gahnite and Chlorite group 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 Chlorite group chemical formula.

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Gahnite and Chlorite group Specific Gravity

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