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Zincite
Zincite

Jacobsite
Jacobsite



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Zincite
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Jacobsite

Zincite and Jacobsite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.50-5.904.76-5.03
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, Brittle
1.6 Cleavage
On {10 1 0}, perfect; parting on {000 1 }
None
1.7 Mohs Hardness
45.5-6.5
Amber
2 10
1.8 Chemical Composition
(Zn,Mn2+ )OMichael O’Donoghue , Gems, Sixth Edition (2006)
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Zincite and Jacobsite Chemical Formula

While comparing Zincite and Jacobsite 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 Zincite and Jacobsite chemical formula.

  • Chemical formula of Zincite- (Zn,Mn2+ )OMichael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Zincite and Jacobsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Jacobsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Jacobsite Optical Properties during the identification of gemstone. Specific gravity of Zincite is 4.76-5.03 whereas that of Jacobsite is 4.76-5.03.