Copper and Sillimanite Physical Properties

Copper

Sillimanite

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1 Physical Properties

1.1 Tenacity

Not Available

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.20-3.26

1 7.18

1.5 Fracture

Hackly Jagged, torn surfaces, (e.g. fractured metals)., torn surfaces, (e.g. fractured metals).

Splintery

1.6 Cleavage

None

{010} perfect

1.7 Mohs Hardness

2.56-7.5

2 10

1.8 Chemical Composition

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

Copper and Sillimanite Chemical Formula

While comparing Copper 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 Copper and Sillimanite chemical formula.

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

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Copper and Sillimanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Copper and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Copper and Sillimanite Optical Properties during the identification of gemstone. Specific gravity of Copper is 3.20-3.26 whereas that of Sillimanite is 3.20-3.26.