Zincite and Coral Physical Properties

Zincite

Coral

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.50-5.902.60-2.70

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Irregular, Irregular, Gemstones of the world (2001)

1.6 Cleavage

On {10 1 0}, perfect; parting on {000 1 }

Not Available

1.7 Mohs Hardness

43-4

2 10

1.8 Chemical Composition

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

CaCO 3Ulrich Henn and Claudio C.

Zincite and Coral Chemical Formula

While comparing Zincite and Coral 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 Coral chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.

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Zincite and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Coral Optical Properties during the identification of gemstone. Specific gravity of Zincite is 2.60-2.70 whereas that of Coral is 2.60-2.70.