Titanite Sphene and Sillimanite Physical Properties

Titanite Sphene

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

3.52-3.543.20-3.26

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

Splintery

1.6 Cleavage

Not Available

{010} perfect

1.7 Mohs Hardness

5-5.56-7.5

2 10

1.8 Chemical Composition

CaTiSiO 5Ulrich Henn and Claudio C.

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

Titanite Sphene and Sillimanite Chemical Formula

While comparing Titanite Sphene 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 Titanite Sphene and Sillimanite chemical formula.

Chemical formula of Titanite Sphene- CaTiSiO 5Ulrich Henn and Claudio C.
Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

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Titanite Sphene and Sillimanite Specific Gravity

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