Zincite and Almandine Physical Properties

Zincite

Almandine

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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

5.50-5.903.95-4.30

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

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

none

1.7 Mohs Hardness

47-7.5

2 10

1.8 Chemical Composition

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

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Zincite and Almandine Chemical Formula

While comparing Zincite and Almandine 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 Almandine chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Zincite and Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Zincite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.