Simpsonite and Iolite Physical Properties

Simpsonite

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

Not Available2.6-2.7

1 7.18

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Not Available

1.6 Cleavage

None

3,1

1.7 Mohs Hardness

7-7.57-7.5

2 10

1.8 Chemical Composition

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Mg₂Al₄Si₅O₁₈

Simpsonite and Iolite Chemical Formula

While comparing Simpsonite 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 Simpsonite and Iolite chemical formula.

Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Simpsonite and Iolite Specific Gravity

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