Fibrolite and Erythrite Physical Properties

Fibrolite

Erythrite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.14-3.253.06

1 7.18

1.5 Fracture

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

Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

1.6 Cleavage

Not Available

Perfect on {010}; poor on {100} and { 1 02}.

1.7 Mohs Hardness

6-7Not Available

2 10

1.8 Chemical Composition

Al 2SiO 5Arthur Thomas , Gemstones (2009)

Co3(AsO4)2•8(H2O)

Fibrolite and Erythrite Chemical Formula

While comparing Fibrolite and Erythrite 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 Erythrite chemical formula.

Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Fibrolite and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fibrolite and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fibrolite and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Fibrolite is 3.06 whereas that of Erythrite is 3.06.