Gedrite and Purpurite Physical Properties

Gedrite

Purpurite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.15-3.259

Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.

5.5-6

(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

3.2-3.4

Uneven

[100] [001] perfect

4-4.5

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

Gedrite and Purpurite Chemical Formula

While comparing Gedrite 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 Gedrite and Purpurite chemical formula.

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Gedrite and Purpurite Specific Gravity

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