Zincite and Powellite Physical Properties

Zincite

Powellite

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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

5.50-5.904.23

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

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

{111} Distinct

1.7 Mohs Hardness

43.5-4

2 10

1.8 Chemical Composition

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

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Zincite and Powellite Chemical Formula

While comparing Zincite and Powellite 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 Powellite chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Zincite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Zincite is 4.23 whereas that of Powellite is 4.23.