Gahnite and Fibrolite Physical Properties

Gahnite

Fibrolite

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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

4.00-4.623.14-3.25

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

Indistinct parting on [111]

Not Available

1.7 Mohs Hardness

7.5-86-7

2 10

1.8 Chemical Composition

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Al 2SiO 5Arthur Thomas , Gemstones (2009)

Gahnite and Fibrolite Chemical Formula

While comparing Gahnite 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 Gahnite and Fibrolite chemical formula.

Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)

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Gahnite and Fibrolite Specific Gravity

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