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Hercynite
Hercynite

Mottramite
Mottramite



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Hercynite
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Mottramite

Hercynite and Mottramite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.39
Uneven
{111} Indistinct, {111} Indistinct, {111} Indistinct
7.5-8
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
 
Brittle
Soluble
-
5.9
Sub-Conchoidal
None observed
3
PbCu(VO4)(OH)

Hercynite and Mottramite Chemical Formula

While comparing Hercynite and Mottramite 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 Hercynite and Mottramite chemical formula.

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Hercynite and Mottramite Specific Gravity

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