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Zincite
Zincite

Creedite
Creedite



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Zincite
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Creedite

Zincite and Creedite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.50-5.902.70
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
On {10 1 0}, perfect; parting on {000 1 }
Perfect on {100}
1.7 Mohs Hardness
44.5
Amber
2 10
1.8 Chemical Composition
(Zn,Mn2+ )OMichael O’Donoghue , Gems, Sixth Edition (2006)
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

Zincite and Creedite Chemical Formula

While comparing Zincite and Creedite 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 Creedite chemical formula.

  • Chemical formula of Zincite- (Zn,Mn2+ )OMichael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

Zincite and Creedite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Creedite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Creedite Optical Properties during the identification of gemstone. Specific gravity of Zincite is 2.70 whereas that of Creedite is 2.70.