Zincite and Mellite Physical Properties

Zincite

Mellite

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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

5.50-5.901.58-1.60

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

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

{011} Imperfect

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

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

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Zincite and Mellite Chemical Formula

While comparing Zincite and Mellite 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 Mellite chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

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Zincite and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Mellite Optical Properties during the identification of gemstone. Specific gravity of Zincite is 1.58-1.60 whereas that of Mellite is 1.58-1.60.