Rutile and Aragonite Physical Properties

Rutile

Aragonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Insoluble in acids

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

4.20-4.30

2.93-2.96

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

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

Distinct on {010}, imperfect {110} and {011}

1.7 Mohs Hardness

6-6.5

3.5-4

1.8 Chemical Composition

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

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Rutile and Aragonite Chemical Formula

While comparing Rutile and Aragonite 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 Aragonite chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rutile and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rutile and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Rutile is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.