×

Sillimanite
Sillimanite

Augelite
Augelite



ADD
Compare
X
Sillimanite
X
Augelite

Sillimanite and Augelite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
2.70-2.75
Conchoidal
From the Greek for luster, for its pearly luster on the cleavage.
4.5-5
Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Sillimanite and Augelite Chemical Formula

While comparing Sillimanite and Augelite 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 Sillimanite and Augelite chemical formula.

    >>

Sillimanite and Augelite Specific Gravity

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