Titanite Sphene and Staurolite Physical Properties

Titanite Sphene

Staurolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.52-3.543.7-3.8

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Not Available

Distinct on {010}

1.7 Mohs Hardness

5-5.57-7.5

2 10

1.8 Chemical Composition

CaTiSiO 5Ulrich Henn and Claudio C.

(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

Titanite Sphene and Staurolite Chemical Formula

While comparing Titanite Sphene and Staurolite 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 Staurolite chemical formula.

Chemical formula of Titanite Sphene- CaTiSiO 5Ulrich Henn and Claudio C.
Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

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Titanite Sphene and Staurolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Titanite Sphene and Staurolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Titanite Sphene and Staurolite Optical Properties during the identification of gemstone. Specific gravity of Titanite Sphene is 3.7-3.8 whereas that of Staurolite is 3.7-3.8.