Baddeleyite and Sillimanite Physical Properties

Baddeleyite

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

5.5-6.03.20-3.26

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Splintery

1.6 Cleavage

{001} Distinct

{010} perfect

1.7 Mohs Hardness

6.56-7.5

2 10

1.8 Chemical Composition

ZrO 2Arthur Thomas , Gemstones (2009)

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

Baddeleyite and Sillimanite Chemical Formula

While comparing Baddeleyite 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 Baddeleyite and Sillimanite chemical formula.

Chemical formula of Baddeleyite- ZrO 2Arthur Thomas , Gemstones (2009)
Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Brown Gemstones

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Baddeleyite and Sillimanite Specific Gravity

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