×

Goethite
Goethite

Fayalite
Fayalite



ADD
Compare
X
Goethite
X
Fayalite

Goethite and Fayalite Physical Properties

Add ⊕
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
HCl soluble
-
4.27-4.29
Uneven
Perfect {010}
5-5.5
FeO(OH)Arthur Thomas , Gemstones (2009)
 
-
-
-
4.392
Conchoidal
{010} moderate, {100} imperfect
6.5-7
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Goethite and Fayalite Chemical Formula

While comparing Goethite and Fayalite 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 Goethite and Fayalite chemical formula.

    >>

Goethite and Fayalite Specific Gravity

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