Purpurite and Meionite Physical Properties

Purpurite

Meionite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.2-3.42.78

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

[100] [001] perfect

{???} Distinct, {???} Indistinct

1.7 Mohs Hardness

4-4.55-6

2 10

1.8 Chemical Composition

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

3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)

Purpurite and Meionite Chemical Formula

While comparing Purpurite and Meionite 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 Meionite chemical formula.

Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Meionite- 3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)

Compare Violet Gemstones

Purpurite Vs Sard

Purpurite Vs Sardonyx

Purpurite Vs Sapphire

Purpurite and Meionite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Meionite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Meionite Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 2.78 whereas that of Meionite is 2.78.