Purpurite and Hematite Physical Properties

Purpurite

Hematite

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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

3.2-3.45.00-5.30

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

[100] [001] perfect

None, may show partings on {0001} and {10 1 1}

1.7 Mohs Hardness

4-4.56

2 10

1.8 Chemical Composition

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

Fe 2O 3Arthur Thomas , Gemstones (2009)

Purpurite and Hematite Chemical Formula

While comparing Purpurite and Hematite 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 Hematite chemical formula.

Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

Compare Violet Gemstones

Purpurite Vs Sardonyx

Purpurite Vs Sard

Purpurite Vs Sapphire

Purpurite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.