Purpurite and Rhodolite Physical Properties

Purpurite

Rhodolite

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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

3.2-3.43.84

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

Conchoidal

1.6 Cleavage

[100] [001] perfect

none, may show indistinct parting

1.7 Mohs Hardness

4-4.57-7.5

2 10

1.8 Chemical Composition

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

(Mg,Fe)₃Al₂Si₃O₁₂

Purpurite and Rhodolite Chemical Formula

While comparing Purpurite and Rhodolite 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 Rhodolite chemical formula.

Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂

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Purpurite and Rhodolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Rhodolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Rhodolite Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 3.84 whereas that of Rhodolite is 3.84.