Iolite and Cordierite Physical Properties

Iolite

Cordierite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.6-2.7

2.57-2.66

1.5 Fracture

Not Available

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

3,1

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

1.7 Mohs Hardness

7-7.5

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

Mg2Al4Si5O18

Iolite and Cordierite Chemical Formula

While comparing Iolite 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 Iolite and Cordierite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Cordierite- Mg2Al4Si5O18

Compare Gems for Taurus » More

Iolite Vs Chrysocolla

Iolite Vs Quartz Rose

Iolite Vs Carnelian

» More

More Compare Gems for Taurus

Iolite and Cordierite Specific Gravity

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