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Weloganite
Weloganite

Herderite
Herderite



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Weloganite
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Herderite

Weloganite and Herderite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.20-3.22
Conchoidal
Perfect on pseudo {0001}
3
Na2SrZrSi6O17(OH)3·3H2O
 
-
-
-
2.90-3.02
Subconchoidal, Conchoidal
Indistinct on {110}
5-5.5
CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Weloganite and Herderite Chemical Formula

While comparing Weloganite and Herderite 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 Weloganite and Herderite chemical formula.

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Weloganite and Herderite Specific Gravity

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