Sillimanite and Simpsonite Physical Properties

Sillimanite

Simpsonite

Add ⊕

1 Physical Properties

1.1 Tenacity

Tough

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.26Not Available

1 7.18

1.5 Fracture

Splintery

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

{010} perfect

None

1.7 Mohs Hardness

6-7.57-7.5

2 10

1.8 Chemical Composition

Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Sillimanite and Simpsonite Chemical Formula

While comparing Sillimanite and Simpsonite 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 Simpsonite chemical formula.

Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Compare Blue Gemstones

Sillimanite Vs Tanzanite

Sillimanite Vs Strontium Titanate

Sillimanite Vs Starlite

Sillimanite and Simpsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sillimanite and Simpsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sillimanite and Simpsonite Optical Properties during the identification of gemstone. Specific gravity of Sillimanite is Not Available whereas that of Simpsonite is Not Available.