Kunzite and Purpurite Physical Properties

Kunzite

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

3.15-3.21

3.2-3.4

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

1,2 prismatic

[100] [001] perfect

1.7 Mohs Hardness

6-7

4-4.5

1.8 Chemical Composition

LiAlSi₂O₆

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

Kunzite and Purpurite Chemical Formula

While comparing Kunzite 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 Kunzite and Purpurite chemical formula.

Chemical formula of Kunzite- LiAlSi₂O₆
Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

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Kunzite and Purpurite Specific Gravity

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