Zincite and Thulite Physical Properties

Zincite

Thulite

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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

5.50-5.903.1

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Perfect {010} imperfect {100}

1.7 Mohs Hardness

46-7

2 10

1.8 Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Zincite and Thulite Chemical Formula

While comparing Zincite and Thulite 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 Thulite chemical formula.

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

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Zincite and Thulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Thulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Thulite Optical Properties during the identification of gemstone. Specific gravity of Zincite is 3.1 whereas that of Thulite is 3.1.