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Pyromorphite
Pyromorphite

Goethite
Goethite



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Pyromorphite
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Goethite

Pyromorphite and Goethite 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)
 
-
HCl soluble
-
4.27-4.29
Uneven
Perfect {010}
5-5.5
FeO(OH)Arthur Thomas , Gemstones (2009)

Pyromorphite and Goethite Chemical Formula

While comparing Pyromorphite and Goethite 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 Goethite chemical formula.

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Pyromorphite and Goethite Specific Gravity

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