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Herderite
Herderite

Franklinite
Franklinite



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Herderite
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Franklinite

Herderite and Franklinite 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.
 
-
-
-
5.05-5.22
Uneven
None
5.5-6
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Herderite and Franklinite Chemical Formula

While comparing Herderite and Franklinite 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 Franklinite chemical formula.

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Herderite and Franklinite Specific Gravity

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