Pargasite and Rutile Physical Properties

Pargasite

Rutile

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.264.20-4.30

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{110} perfect

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

1.7 Mohs Hardness

5-66-6.5

2 10

1.8 Chemical Composition

NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Pargasite and Rutile Chemical Formula

While comparing Pargasite 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 Pargasite and Rutile chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Pargasite and Rutile Specific Gravity

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