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Jacobsite
Jacobsite

Kornerupine
Kornerupine



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Jacobsite
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Kornerupine

Jacobsite and Kornerupine Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.76-5.033.25-3.45
Amber
1 7.18
1.5 Fracture
Conchoidal, Brittle
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven
1.6 Cleavage
None
Good on {110}
1.7 Mohs Hardness
5.5-6.56.5
Amber
2 10
1.8 Chemical Composition
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Jacobsite and Kornerupine Chemical Formula

While comparing Jacobsite and Kornerupine 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 Jacobsite and Kornerupine chemical formula.

  • Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Jacobsite and Kornerupine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jacobsite and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jacobsite and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Jacobsite is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.