Zincite and Demantoid Physical Properties

Zincite

Demantoid

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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

5.50-5.903.77-3.95

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

46.5

2 10

1.8 Chemical Composition

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

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Zincite and Demantoid Chemical Formula

While comparing Zincite and Demantoid 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 Demantoid chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

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Zincite and Demantoid Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Demantoid Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Demantoid Optical Properties during the identification of gemstone. Specific gravity of Zincite is 3.77-3.95 whereas that of Demantoid is 3.77-3.95.