Nuummite and Zincite Physical Properties

Nuummite

Zincite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.18-3.375.50-5.90

1 7.18

1.5 Fracture

Conchoidal

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Perfect on 210

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

1.7 Mohs Hardness

5.5-64

2 10

1.8 Chemical Composition

Not Available

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

Nuummite and Zincite Chemical Formula

While comparing Nuummite 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 Nuummite and Zincite chemical formula.

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

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Nuummite and Zincite Specific Gravity

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