×

Andalusite
Andalusite

Goethite
Goethite



ADD
Compare
X
Andalusite
X
Goethite

Andalusite and Goethite Physical Properties

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
 
-
HCl soluble
-
4.27-4.29
Uneven
Perfect {010}
5-5.5
FeO(OH)Arthur Thomas , Gemstones (2009)

Andalusite and Goethite Chemical Formula

While comparing Andalusite and Goethite 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 Goethite chemical formula.

    >>

Andalusite and Goethite Specific Gravity

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