Shigaite and Rutile Physical Properties

Shigaite

Rutile

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1 Physical Properties

1.1 Tenacity

Moderately ﬂexible

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.324.20-4.30

1 7.18

1.5 Fracture

Flexible Flexible fragments.

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {0001}

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

1.7 Mohs Hardness

26-6.5

2 10

1.8 Chemical Composition

Not Available

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

Shigaite and Rutile Chemical Formula

While comparing Shigaite 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 Shigaite and Rutile chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Shigaite and Rutile Specific Gravity

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