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Herderite
Herderite

Taaffeite
Taaffeite



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Herderite
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Taaffeite

Herderite and Taaffeite 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.
 
-
-
-
3.60-3.61
Conchoidal
Imperfect/fair/absent
8-8.5
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

Herderite and Taaffeite Chemical Formula

While comparing Herderite and Taaffeite 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 Taaffeite chemical formula.

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Herderite and Taaffeite Specific Gravity

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