Rutile and Holmquistite Physical Properties

Rutile

Holmquistite

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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

4.20-4.302.95-3.13

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

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

{210} Perfect

1.7 Mohs Hardness

6-6.55-6

2 10

1.8 Chemical Composition

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

Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Rutile and Holmquistite Chemical Formula

While comparing Rutile and Holmquistite 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 Holmquistite chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Holmquistite- Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Rutile and Holmquistite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rutile and Holmquistite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Holmquistite Optical Properties during the identification of gemstone. Specific gravity of Rutile is 2.95-3.13 whereas that of Holmquistite is 2.95-3.13.