Zincite and Caledonite Physical Properties

Zincite

Caledonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.50-5.905.6-5.76

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

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

[001] perfect; [100] distinct

1.7 Mohs Hardness

42.5-3

2 10

1.8 Chemical Composition

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

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Zincite and Caledonite Chemical Formula

While comparing Zincite and Caledonite 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 Caledonite chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

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Zincite and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Zincite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.