Zincite and Crocoite Physical Properties

Zincite

Crocoite

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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

5.50-5.905.90-6.10

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).

1.6 Cleavage

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

{110} Distinct, {001} Indistinct, {100} Indistinct

1.7 Mohs Hardness

42.5-3

2 10

1.8 Chemical Composition

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

PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Zincite and Crocoite Chemical Formula

While comparing Zincite and Crocoite 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 Crocoite chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Zincite and Crocoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Crocoite Optical Properties during the identification of gemstone. Specific gravity of Zincite is 5.90-6.10 whereas that of Crocoite is 5.90-6.10.