Zoisite and Rutile Physical Properties

Zoisite

Rutile

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.504.20-4.30

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect {010} imperfect {100}

{110} good, 100 moderate, parting on {092} and {011}

1.7 Mohs Hardness

6-76-6.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Zoisite and Rutile Chemical Formula

While comparing Zoisite and Rutile 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 Zoisite and Rutile chemical formula.

Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Zoisite and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zoisite and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zoisite and Rutile Optical Properties during the identification of gemstone. Specific gravity of Zoisite is 4.20-4.30 whereas that of Rutile is 4.20-4.30.