Lazurite and Anatase Physical Properties

Lazurite

Anatase

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.75

3.82-3.97

1.5 Fracture

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

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

1.6 Cleavage

Imperfect on {110}

Perfect on [001] and [011]

1.7 Mohs Hardness

5.5

5.5-6

1.8 Chemical Composition

(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

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

Lazurite and Anatase Chemical Formula

While comparing Lazurite 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 Lazurite and Anatase chemical formula.

Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Chemical formula of Anatase- TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Lazurite and Anatase Specific Gravity

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