Zincite and Nuummite Physical Properties

Zincite

Nuummite

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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

5.50-5.903.18-3.37

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Conchoidal

1.6 Cleavage

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

Perfect on 210

1.7 Mohs Hardness

45.5-6

2 10

1.8 Chemical Composition

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

Not Available

Zincite and Nuummite Chemical Formula

While comparing Zincite and Nuummite 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 Nuummite chemical formula.

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

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Zincite and Nuummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Nuummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Nuummite Optical Properties during the identification of gemstone. Specific gravity of Zincite is 3.18-3.37 whereas that of Nuummite is 3.18-3.37.