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Gahnite
Gahnite

Fluorapatite
Fluorapatite



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Gahnite
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Fluorapatite

Gahnite and Fluorapatite 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)
 
-
-
-
3.1-3.25
Uneven
Indistinct
5
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Gahnite and Fluorapatite Chemical Formula

While comparing Gahnite and Fluorapatite 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 Fluorapatite chemical formula.

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Gahnite and Fluorapatite Specific Gravity

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