Purpurite and Zincite Physical Properties

Purpurite

Zincite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.2-3.45.50-5.90

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

[100] [001] perfect

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

1.7 Mohs Hardness

4-4.54

2 10

1.8 Chemical Composition

MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

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

Purpurite and Zincite Chemical Formula

While comparing Purpurite and Zincite 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 Purpurite and Zincite chemical formula.

Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Violet Gemstones

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Purpurite and Zincite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Zincite Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 5.50-5.90 whereas that of Zincite is 5.50-5.90.