Fibrolite and Grandidierite Physical Properties

Fibrolite

Grandidierite

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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

3.14-3.25

2.85-3.00

1.5 Fracture

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

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

Not Available

Perfect

1.7 Mohs Hardness

6-7

7.5

1.8 Chemical Composition

Al 2SiO 5Arthur Thomas , Gemstones (2009)

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Fibrolite and Grandidierite Chemical Formula

While comparing Fibrolite and Grandidierite 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 Grandidierite chemical formula.

Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)
Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

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Fibrolite Vs Glass

Fibrolite Vs Grandidierite

Fibrolite and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fibrolite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fibrolite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Fibrolite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.