Sillimanite and Star diopside Physical Properties

Sillimanite

Star diopside

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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

3.20-3.26Not Available

1 7.18

1.5 Fracture

Splintery

Not Available

1.6 Cleavage

{010} perfect

Not Available

1.7 Mohs Hardness

6-7.5Not Available

2 10

1.8 Chemical Composition

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

Not Available

Sillimanite and Star diopside Chemical Formula

While comparing Sillimanite and Star diopside 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 Star diopside chemical formula.

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

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Sillimanite and Star diopside Specific Gravity

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