Hackmanite and Purpurite Physical Properties

Hackmanite

Purpurite

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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

2.27-2.333.2-3.4

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

[100] [001] perfect

1.7 Mohs Hardness

5.5-64-4.5

2 10

1.8 Chemical Composition

Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Hackmanite and Purpurite Chemical Formula

While comparing Hackmanite and Purpurite 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 Hackmanite and Purpurite chemical formula.

Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

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Hackmanite and Purpurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hackmanite and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hackmanite and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Hackmanite is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.