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Mottramite
Mottramite

Gahnospinel
Gahnospinel



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Mottramite
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Gahnospinel

Mottramite and Gahnospinel Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
5.9
Sub-Conchoidal
None observed
3
PbCu(VO4)(OH)
 
-
-
-
3.65-4.55
Conchoidal
None, but may exhibit slight parting
7.5-8
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Mottramite and Gahnospinel Chemical Formula

While comparing Mottramite and Gahnospinel 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 Mottramite and Gahnospinel chemical formula.

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Mottramite and Gahnospinel Specific Gravity

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