Chrome Tourmaline and Cordierite Physical Properties

Chrome Tourmaline

Cordierite

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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

2.85-3.352.57-2.66

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

3,2

Fair on {100}, poor on {001} and {010}

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 Cordierite Chemical Formula

While comparing Chrome Tourmaline and Cordierite 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 Cordierite chemical formula.

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

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Chrome Tourmaline and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome Tourmaline and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Tourmaline and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Chrome Tourmaline is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.