Cordierite and Chrome Tourmaline Physical Properties

Cordierite

Chrome Tourmaline

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.662.85-3.35

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

3,2

1.7 Mohs Hardness

7-7.57-7.5

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

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

Cordierite and Chrome Tourmaline Chemical Formula

While comparing Cordierite and Chrome Tourmaline 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 Cordierite and Chrome Tourmaline chemical formula.

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

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Cordierite and Chrome Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Chrome Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Chrome Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 2.85-3.35 whereas that of Chrome Tourmaline is 2.85-3.35.