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Kornerupine
Kornerupine

Mottramite
Mottramite



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Kornerupine
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Mottramite

Kornerupine and Mottramite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.25-3.45
Conchoidal, Uneven
Good on {110}
6.5
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
 
Brittle
Soluble
-
5.9
Sub-Conchoidal
None observed
3
PbCu(VO4)(OH)

Kornerupine and Mottramite Chemical Formula

While comparing Kornerupine 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 Kornerupine and Mottramite chemical formula.

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Kornerupine and Mottramite Specific Gravity

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