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Herderite
Herderite

Pyromorphite
Pyromorphite



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Herderite
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Pyromorphite

Herderite and Pyromorphite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.90-3.02
Subconchoidal, Conchoidal
Indistinct on {110}
5-5.5
CaBePO 4(F,OH)Ulrich Henn and Claudio C.
 
Brittle
-
-
6.5-7.1
Uneven, Conchoidal
Imperfect- [10 1 1]
3.5-4
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Herderite and Pyromorphite Chemical Formula

While comparing Herderite 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 Herderite and Pyromorphite chemical formula.

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Herderite and Pyromorphite Specific Gravity

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