Rhodizite and Purpurite Physical Properties

Rhodizite

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

3.34-3.443.2-3.4

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{111} Indistinct, {111} Indistinct, {111} Indistinct

[100] [001] perfect

1.7 Mohs Hardness

8-8.54-4.5

2 10

1.8 Chemical Composition

(K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Rhodizite and Purpurite Chemical Formula

While comparing Rhodizite 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 Rhodizite and Purpurite chemical formula.

Chemical formula of Rhodizite- (K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

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Rhodizite and Purpurite Specific Gravity

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