Rhodizite and Iolite Physical Properties

Rhodizite

Iolite

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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

3.34-3.442.6-2.7

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

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

3,1

1.7 Mohs Hardness

8-8.57-7.5

2 10

1.8 Chemical Composition

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

Mg₂Al₄Si₅O₁₈

Rhodizite and Iolite Chemical Formula

While comparing Rhodizite and Iolite 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 Iolite 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 Iolite- Mg₂Al₄Si₅O₁₈

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Rhodizite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodizite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodizite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Rhodizite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.