Chrome Tourmaline and Iolite Physical Properties

Chrome Tourmaline

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

2.85-3.352.6-2.7

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

3,2

3,1

1.7 Mohs Hardness

7-7.57-7.5

2 10

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas.

Mg₂Al₄Si₅O₁₈

Chrome Tourmaline and Iolite Chemical Formula

While comparing Chrome Tourmaline 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 Chrome Tourmaline and Iolite chemical formula.

Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Chrome Tourmaline and Iolite Specific Gravity

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