Purpurite and Papagoite Physical Properties

Purpurite

Papagoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.2-3.43.25

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

Brittle, Metallic

1.6 Cleavage

[100] [001] perfect

Imperfect in one direction

1.7 Mohs Hardness

4-4.55-5.5

2 10

1.8 Chemical Composition

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

CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Purpurite and Papagoite Chemical Formula

While comparing Purpurite and Papagoite 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 Papagoite chemical formula.

Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Violet Gemstones

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Purpurite and Papagoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 3.25 whereas that of Papagoite is 3.25.