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Nuummite
Nuummite

Jacobsite
Jacobsite



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Nuummite
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Jacobsite

Nuummite and Jacobsite 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
 
-
-
-
4.76-5.03
Conchoidal
None
5.5-6.5
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Nuummite and Jacobsite Chemical Formula

While comparing Nuummite and Jacobsite 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 Jacobsite chemical formula.

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Nuummite and Jacobsite Specific Gravity

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