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Zincite
Zincite

Romanchite
Romanchite



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Zincite
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Romanchite

Zincite and Romanchite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

5.50-5.904.70-4.74
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

On {10 1 0}, perfect; parting on {000 1 }
None

Mohs Hardness

45-6
2 10
👆🏻

Chemical Composition

(Zn,Mn2+ )OMichael O’Donoghue , Gems, Sixth Edition (2006)
BaAl2Si2O8

Zincite and Romanchite Chemical Formula

While comparing Zincite and Romanchite 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 Romanchite chemical formula.

  • Chemical formula of Zincite- (Zn,Mn2+ )OMichael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Romanchite- BaAl2Si2O8

Zincite and Romanchite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Romanchite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Romanchite Optical Properties during the identification of gemstone. Specific gravity of Zincite is 4.70-4.74 whereas that of Romanchite is 4.70-4.74.