Sylvite and Zincite Physical Properties

Sylvite

Zincite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9935.50-5.90

1 7.18

1.5 Fracture

Uneven, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

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

1.7 Mohs Hardness

2.54

2 10

1.8 Chemical Composition

Not Available

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

Sylvite and Zincite Chemical Formula

While comparing Sylvite 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 Sylvite and Zincite chemical formula.

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

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Sylvite and Zincite Specific Gravity

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