Purpurite and Sanidine Physical Properties

Purpurite

Sanidine

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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

3.2-3.42.54-2.61

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

[100] [001] perfect

{001} Perfect, {010} Good

1.7 Mohs Hardness

4-4.56

2 10

1.8 Chemical Composition

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

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Purpurite and Sanidine Chemical Formula

While comparing Purpurite and Sanidine 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 Sanidine chemical formula.

Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Violet Gemstones

Purpurite Vs Sapphire

Purpurite Vs Sardonyx

Purpurite Vs Sard

Purpurite and Sanidine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Sanidine Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 2.54-2.61 whereas that of Sanidine is 2.54-2.61.