Rutile and Coral Physical Properties

Rutile

Coral

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Insoluble in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.20-4.30

2.60-2.70

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Irregular, Irregular, Gemstones of the world (2001)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

6-6.5

3-4

1.8 Chemical Composition

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

CaCO 3Ulrich Henn and Claudio C.

Rutile and Coral Chemical Formula

While comparing Rutile and Coral 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 Rutile and Coral chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.

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Rutile and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rutile and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Coral Optical Properties during the identification of gemstone. Specific gravity of Rutile is 2.60-2.70 whereas that of Coral is 2.60-2.70.