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Herderite
Herderite

Apophyllite
Apophyllite



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Herderite
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Apophyllite

Herderite and Apophyllite 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.
 
-
-
-
2.30-2.50
Uneven
Perfect on (001)
4.5-5
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Herderite and Apophyllite Chemical Formula

While comparing Herderite and Apophyllite 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 Apophyllite chemical formula.

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Herderite and Apophyllite Specific Gravity

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