Anorthite and Fibrolite Physical Properties

Anorthite

Fibrolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.773.14-3.25

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

Perfect [001] good [010] poor [110]

Not Available

1.7 Mohs Hardness

6-6.56-7

2 10

1.8 Chemical Composition

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Al 2SiO 5Arthur Thomas , Gemstones (2009)

Anorthite and Fibrolite Chemical Formula

While comparing Anorthite and Fibrolite 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 Anorthite and Fibrolite chemical formula.

Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)

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Anorthite and Fibrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anorthite and Fibrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anorthite and Fibrolite Optical Properties during the identification of gemstone. Specific gravity of Anorthite is 3.14-3.25 whereas that of Fibrolite is 3.14-3.25.