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Norbergite
Norbergite

Mottramite
Mottramite



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Norbergite
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Mottramite

Norbergite and Mottramite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.177
Uneven, Conchoidal
{???} Distinct
6-6.5
Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
 
Brittle
Soluble
-
5.9
Sub-Conchoidal
None observed
3
PbCu(VO4)(OH)

Norbergite and Mottramite Chemical Formula

While comparing Norbergite 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 Norbergite and Mottramite chemical formula.

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Norbergite and Mottramite Specific Gravity

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