Zincite and Sylvite Physical Properties

Zincite

Sylvite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.50-5.901.993

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, Brittle

1.6 Cleavage

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

Perfect on [100], [010], [001]

1.7 Mohs Hardness

42.5

2 10

1.8 Chemical Composition

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

Not Available

Zincite and Sylvite Chemical Formula

While comparing Zincite and Sylvite 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 Sylvite chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Zincite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Zincite is 1.993 whereas that of Sylvite is 1.993.