Povondraite and Fibrolite Physical Properties

Povondraite

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

3.263.14-3.25

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

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

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

Not Available6-7

2 10

1.8 Chemical Composition

NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

Al 2SiO 5Arthur Thomas , Gemstones (2009)

Povondraite and Fibrolite Chemical Formula

While comparing Povondraite 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 Povondraite and Fibrolite chemical formula.

Chemical formula of Povondraite- NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)

Compare Brown Gemstones

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Povondraite Vs Sonolite

Povondraite Vs Smoky Quartz

Povondraite and Fibrolite Specific Gravity

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