Serendibite and Sillimanite Physical Properties

Serendibite

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

3.43-3.443.20-3.26

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

Splintery

1.6 Cleavage

None Observed

{010} perfect

1.7 Mohs Hardness

6.5-76-7.5

2 10

1.8 Chemical Composition

Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Serendibite and Sillimanite Chemical Formula

While comparing Serendibite 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 Serendibite and Sillimanite chemical formula.

Chemical formula of Serendibite- Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

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Serendibite and Sillimanite Specific Gravity

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