Purpurite and Forsterite Physical Properties

Purpurite

Forsterite

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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

3.2-3.43.23-3.26

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

[100] [001] perfect

Perfect on {010} imperfect on {100}

1.7 Mohs Hardness

4-4.56.5-7

2 10

1.8 Chemical Composition

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

Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Purpurite and Forsterite Chemical Formula

While comparing Purpurite and Forsterite 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 Forsterite chemical formula.

Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Violet Gemstones

Purpurite Vs Sapphire

Purpurite Vs Sard

Purpurite Vs Sardonyx

Purpurite and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.