Rutile and Bertrandite Physical Properties

Rutile

Bertrandite

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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

4.20-4.302.59-2.60

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

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

{001} Perfect, {110} Distinct, {101} Distinct

1.7 Mohs Hardness

6-6.56-7

2 10

1.8 Chemical Composition

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

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Rutile and Bertrandite Chemical Formula

While comparing Rutile and Bertrandite 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 Bertrandite chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Rutile and Bertrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rutile and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Rutile is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.