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Herderite
Herderite

Wernerite
Wernerite



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Herderite
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Wernerite

Herderite and Wernerite 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.
 
-
-
-
2.50-2.80
-
Perfect
5-6.5
Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)

Herderite and Wernerite Chemical Formula

While comparing Herderite and Wernerite 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 Wernerite chemical formula.

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Herderite and Wernerite Specific Gravity

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