Fibrolite and Pargasite Physical Properties

Fibrolite

Pargasite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.14-3.253.04-3.26

1 7.18

1.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

Splintery, Brittle, Uneven

1.6 Cleavage

Not Available

{110} perfect

1.7 Mohs Hardness

6-75-6

2 10

1.8 Chemical Composition

Al 2SiO 5Arthur Thomas , Gemstones (2009)

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

Fibrolite and Pargasite Chemical Formula

While comparing Fibrolite and Pargasite 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 Fibrolite and Pargasite chemical formula.

Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)
Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Fibrolite and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fibrolite and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fibrolite and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Fibrolite is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.