Apatite and Titanite Sphene Physical Properties

Apatite

Titanite Sphene

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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

3.16-3.233.52-3.54

1 7.18

1.5 Fracture

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven

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

1.6 Cleavage

[0001] indistinct, [1010] indistinct

Not Available

1.7 Mohs Hardness

55-5.5

2 10

1.8 Chemical Composition

Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

CaTiSiO 5Ulrich Henn and Claudio C.

Apatite and Titanite Sphene Chemical Formula

While comparing Apatite and Titanite Sphene 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 Apatite and Titanite Sphene chemical formula.

Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Titanite Sphene- CaTiSiO 5Ulrich Henn and Claudio C.

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Apatite and Titanite Sphene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Titanite Sphene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Titanite Sphene Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.52-3.54 whereas that of Titanite Sphene is 3.52-3.54.