Rhodolite and Iolite Physical Properties

Rhodolite

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

3.84

2.6-2.7

1.5 Fracture

Conchoidal

Not Available

1.6 Cleavage

none, may show indistinct parting

3,1

1.7 Mohs Hardness

7-7.5

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

Mg₂Al₄Si₅O₁₈

Rhodolite and Iolite Chemical Formula

While comparing Rhodolite 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 Rhodolite and Iolite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Rhodolite and Iolite Specific Gravity

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