Allanite and Zincite Physical Properties

Allanite

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

3.40-4.205.50-5.90

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

Not Available4

2 10

1.8 Chemical Composition

Not Available

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

Allanite and Zincite Chemical Formula

While comparing Allanite 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 Allanite and Zincite chemical formula.

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

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Allanite and Zincite Specific Gravity

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