Jacobsite and Rutile Physical Properties

Jacobsite

Rutile

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Physical Properties

Tenacity

Solubility

Insoluble in acids

Durability

Specific Gravity

4.76-5.034.20-4.30

1 7.18

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Fracture

Conchoidal

Uneven, Conchoidal

Cleavage

None

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

Mohs Hardness

5.5-6.56-6.5

2 10

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Chemical Composition

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

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

Jacobsite and Rutile Chemical Formula

While comparing Jacobsite 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 Jacobsite and Rutile chemical formula.

Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Brown Gemstones

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Jacobsite and Rutile Specific Gravity

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