Purpurite and Albite Physical Properties

Purpurite

Albite

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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

3.2-3.42.60-2.65

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

1.6 Cleavage

[100] [001] perfect

Perfect on {001}, very good on {010}, imperfect on {110}

1.7 Mohs Hardness

4-4.56-6.5

2 10

1.8 Chemical Composition

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

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Purpurite and Albite Chemical Formula

While comparing Purpurite and Albite 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 Albite chemical formula.

Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Violet Gemstones

Purpurite Vs Sapphire

Purpurite Vs Sardonyx

Purpurite Vs Sard

Purpurite and Albite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Albite Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 2.60-2.65 whereas that of Albite is 2.60-2.65.