Purpurite and Sylvite Physical Properties

Purpurite

Sylvite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.2-3.41.993

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

Uneven, Brittle

1.6 Cleavage

[100] [001] perfect

Perfect on [100], [010], [001]

1.7 Mohs Hardness

4-4.52.5

2 10

1.8 Chemical Composition

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

Not Available

Purpurite and Sylvite Chemical Formula

While comparing Purpurite and Sylvite 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 Sylvite chemical formula.

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

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Purpurite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 1.993 whereas that of Sylvite is 1.993.