Rutile and Erythrite Physical Properties

Rutile

Erythrite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Insoluble in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.20-4.303.06

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

1.6 Cleavage

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

Perfect on {010}; poor on {100} and { 1 02}.

1.7 Mohs Hardness

6-6.5Not Available

2 10

1.8 Chemical Composition

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

Co3(AsO4)2•8(H2O)

Rutile and Erythrite Chemical Formula

While comparing Rutile and Erythrite 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 Erythrite chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Rutile and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rutile and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Rutile is 3.06 whereas that of Erythrite is 3.06.