Titanite Sphene and Grandidierite Physical Properties

Titanite Sphene

Grandidierite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.52-3.542.85-3.00

1 7.18

1.5 Fracture

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

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

Not Available

Perfect

1.7 Mohs Hardness

5-5.57.5

2 10

1.8 Chemical Composition

CaTiSiO 5Ulrich Henn and Claudio C.

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Titanite Sphene and Grandidierite Chemical Formula

While comparing Titanite Sphene and Grandidierite 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 Grandidierite chemical formula.

Chemical formula of Titanite Sphene- CaTiSiO 5Ulrich Henn and Claudio C.
Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

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Titanite Sphene and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Titanite Sphene and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Titanite Sphene and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Titanite Sphene is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.