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Friedelite
Friedelite

Gahnite
Gahnite



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Friedelite
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Gahnite

Friedelite and Gahnite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.06-3.19
Uneven
{010} Perfect
4-5
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
 
-
-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Friedelite and Gahnite Chemical Formula

While comparing Friedelite 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 Friedelite and Gahnite chemical formula.

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Friedelite and Gahnite Specific Gravity

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