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Nuummite
Nuummite

Hercynite
Hercynite



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Nuummite
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Hercynite

Nuummite and Hercynite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.18-3.37
Conchoidal
Perfect on 210
5.5-6
Na(Fe,Mg)7(AlSi7O22)(OH)2
 
-
-
-
4.39
Uneven
{111} Indistinct, {111} Indistinct, {111} Indistinct
7.5-8
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Nuummite and Hercynite Chemical Formula

While comparing Nuummite and Hercynite 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 Nuummite and Hercynite chemical formula.

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Nuummite and Hercynite Specific Gravity

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