×

Prehnite
Prehnite

Sillimanite
Sillimanite



ADD
Compare
X
Prehnite
X
Sillimanite

Prehnite and Sillimanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.80-2.95
Uneven
Distinct on [001]
6-6.5
Ca2Al2Si3O12(OH)
 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Prehnite and Sillimanite Chemical Formula

While comparing Prehnite and Sillimanite 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 Prehnite and Sillimanite chemical formula.

    >>

Prehnite and Sillimanite Specific Gravity

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