×

Andalusite
Andalusite

Iolite
Iolite



ADD
Compare
X
Andalusite
X
Iolite

Andalusite and Iolite Physical Properties

Add ⊕
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.05-3.21
Uneven, Subconchoidal, Splintery
Good on {110}, poor on {100}
7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
 
-
-
-
2.6-2.7
-
3,1
7-7.5
Mg2Al4Si5O18

Andalusite and Iolite Chemical Formula

While comparing Andalusite 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 Andalusite and Iolite chemical formula.

    >>

Andalusite and Iolite Specific Gravity

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