Hematite and Zincite Physical Properties

Hematite

Zincite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.00-5.305.50-5.90

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

None, may show partings on {0001} and {10 1 1}

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

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

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

Hematite and Zincite Chemical Formula

While comparing Hematite 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 Hematite and Zincite chemical formula.

Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Hematite and Zincite Specific Gravity

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