Zincite and Variscite Physical Properties

Zincite

Variscite

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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

5.50-5.902.42-2.58

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

1.6 Cleavage

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

[010] perfect

1.7 Mohs Hardness

44-5

2 10

1.8 Chemical Composition

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

AlPO₄ · 2(H₂O)

Zincite and Variscite Chemical Formula

While comparing Zincite and Variscite 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 Variscite chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Variscite- AlPO₄ · 2(H₂O)

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Zincite and Variscite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Variscite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Variscite Optical Properties during the identification of gemstone. Specific gravity of Zincite is 2.42-2.58 whereas that of Variscite is 2.42-2.58.