Iolite and Carletonite Physical Properties

Iolite

Carletonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.6-2.72.45

1 7.18

1.5 Fracture

Not Available

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

3,1

Perfect on {001}, good on {110}

1.7 Mohs Hardness

7-7.54-4.5

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Iolite and Carletonite Chemical Formula

While comparing Iolite and Carletonite 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 Carletonite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Carletonite- KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Iolite and Carletonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Carletonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Carletonite Optical Properties during the identification of gemstone. Specific gravity of Iolite is 2.45 whereas that of Carletonite is 2.45.