Iolite and Chondrodite Physical Properties

Iolite

Chondrodite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.6-2.73.10-3.20

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

3,1

Poor to good on (001)

1.7 Mohs Hardness

7-7.56-6.5

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

(Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.

Iolite and Chondrodite Chemical Formula

While comparing Iolite and Chondrodite 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 Iolite and Chondrodite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Chondrodite- (Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.

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Iolite and Chondrodite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Chondrodite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Chondrodite Optical Properties during the identification of gemstone. Specific gravity of Iolite is 3.10-3.20 whereas that of Chondrodite is 3.10-3.20.