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Pyromorphite
Pyromorphite

Gahnite
Gahnite



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Pyromorphite
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Gahnite

Pyromorphite and Gahnite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
6.5-7.1
Uneven, Conchoidal
Imperfect- [10 1 1]
3.5-4
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
 
-
-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Pyromorphite and Gahnite Chemical Formula

While comparing Pyromorphite 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 Pyromorphite and Gahnite chemical formula.

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Pyromorphite and Gahnite Specific Gravity

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