Zincite and Tanzanite Physical Properties

Zincite

Tanzanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

5.50-5.903.35

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

46.5-7

2 10

1.8 Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Zincite and Tanzanite Chemical Formula

While comparing Zincite and Tanzanite 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 Tanzanite chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

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Zincite and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Zincite is 3.35 whereas that of Tanzanite is 3.35.