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Apatite
Apatite

Pyromorphite
Pyromorphite



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Apatite
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Pyromorphite

Apatite and Pyromorphite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.16-3.23
Conchoidal, Uneven, Conchoidal to uneven
[0001] indistinct, [1010] indistinct
5
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
 
Brittle
-
-
6.5-7.1
Uneven, Conchoidal
Imperfect- [10 1 1]
3.5-4
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Apatite and Pyromorphite Chemical Formula

While comparing Apatite and Pyromorphite 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 Apatite and Pyromorphite chemical formula.

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Apatite and Pyromorphite Specific Gravity

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