Verdelite and Anatase Physical Properties

Verdelite

Anatase

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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

2.90-3.40

3.82-3.97

1.5 Fracture

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

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

1.6 Cleavage

Not Available

Perfect on [001] and [011]

1.7 Mohs Hardness

7-7.5

5.5-6

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.

TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Verdelite and Anatase Chemical Formula

While comparing Verdelite and Anatase 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 Anatase 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 Anatase- TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Verdelite and Anatase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdelite and Anatase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdelite and Anatase Optical Properties during the identification of gemstone. Specific gravity of Verdelite is 3.82-3.97 whereas that of Anatase is 3.82-3.97.