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Kornerupine
Kornerupine

Mottramite
Mottramite



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Kornerupine
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Mottramite

Kornerupine and Mottramite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.25-3.455.9
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven
Sub-Conchoidal, Brittle, Metallic
1.6 Cleavage
Good on {110}
None observed
1.7 Mohs Hardness
6.53
Amber
2 10
1.8 Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Not Available

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.

  • Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
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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 and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 5.9 whereas that of Mottramite is 5.9.