Zincite and Anorthite Physical Properties

Zincite

Anorthite

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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

5.50-5.902.77

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

Perfect [001] good [010] poor [110]

1.7 Mohs Hardness

46-6.5

2 10

1.8 Chemical Composition

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

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Zincite and Anorthite Chemical Formula

While comparing Zincite and Anorthite 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 Anorthite chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Zincite and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Zincite is 2.77 whereas that of Anorthite is 2.77.