Riebeckite and Zincite Physical Properties

Riebeckite

Zincite

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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

3.28-3.445.50-5.90

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

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

1.7 Mohs Hardness

5.0-6.04

2 10

1.8 Chemical Composition

Not Available

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

Riebeckite and Zincite Chemical Formula

While comparing Riebeckite 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 Riebeckite and Zincite chemical formula.

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

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Riebeckite and Zincite Specific Gravity

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