Purpurite and Marialite Physical Properties

Purpurite

Marialite

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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

3.2-3.42.50

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

[100] [001] perfect

Distinct on {100} and {110}

1.7 Mohs Hardness

4-4.55.5-6

2 10

1.8 Chemical Composition

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

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Purpurite and Marialite Chemical Formula

While comparing Purpurite and Marialite 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 Marialite chemical formula.

Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Compare Violet Gemstones

Purpurite Vs Sardonyx

Purpurite Vs Sapphire

Purpurite Vs Sard

Purpurite and Marialite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Marialite Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 2.50 whereas that of Marialite is 2.50.