Verdelite and Titanite Sphene Physical Properties

Verdelite

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

2.90-3.403.52-3.54

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Not Available

1.7 Mohs Hardness

7-7.55-5.5

2 10

1.8 Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

CaTiSiO 5Ulrich Henn and Claudio C.

Verdelite and Titanite Sphene Chemical Formula

While comparing Verdelite 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 Verdelite and Titanite Sphene chemical formula.

Chemical formula of Verdelite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Chemical formula of Titanite Sphene- CaTiSiO 5Ulrich Henn and Claudio C.

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Verdelite and Titanite Sphene Specific Gravity

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