Sillimanite and Schultenite Physical Properties

Sillimanite

Schultenite

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1 Physical Properties

1.1 Tenacity

Tough

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.265.943-6.07

1 7.18

1.5 Fracture

Splintery

Brittle, Metallic

1.6 Cleavage

{010} perfect

{010} Good

1.7 Mohs Hardness

6-7.52.5

2 10

1.8 Chemical Composition

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

Not Available

Sillimanite and Schultenite Chemical Formula

While comparing Sillimanite and Schultenite 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 Schultenite chemical formula.

Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

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Sillimanite and Schultenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sillimanite and Schultenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sillimanite and Schultenite Optical Properties during the identification of gemstone. Specific gravity of Sillimanite is 5.943-6.07 whereas that of Schultenite is 5.943-6.07.