Rosasite and Purpurite Physical Properties

Rosasite

Purpurite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.23.2-3.4

1 7.18

1.5 Fracture

Splintery

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Perfect on {100} and {010}

[100] [001] perfect

1.7 Mohs Hardness

44-4.5

2 10

1.8 Chemical Composition

Not Available

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

Rosasite and Purpurite Chemical Formula

While comparing Rosasite 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 Rosasite and Purpurite chemical formula.

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

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Rosasite and Purpurite Specific Gravity

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