Morganite and Purpurite Physical Properties

Morganite

Purpurite

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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

2.71-2.903.2-3.4

1 7.18

1.5 Fracture

Not Available

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

3,1 basal

[100] [001] perfect

1.7 Mohs Hardness

7.5-84-4.5

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

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

Morganite and Purpurite Chemical Formula

While comparing Morganite 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 Morganite and Purpurite chemical formula.

Chemical formula of Morganite- Be₃Al₂SiO₆
Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

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Morganite and Purpurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Morganite and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Morganite and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Morganite is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.