Aragonite and Zincite Physical Properties

Aragonite

Zincite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Dilute acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.93-2.965.50-5.90

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Distinct on {010}, imperfect {110} and {011}

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

1.7 Mohs Hardness

3.5-44

2 10

1.8 Chemical Composition

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Aragonite and Zincite Chemical Formula

While comparing Aragonite and Zincite 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 Aragonite and Zincite chemical formula.

Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Aragonite and Zincite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aragonite and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Zincite Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 5.50-5.90 whereas that of Zincite is 5.50-5.90.