Fibrolite and Anhydrite Physical Properties

Fibrolite

Anhydrite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.14-3.25

2.90-2.98

1.5 Fracture

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

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

1.6 Cleavage

Not Available

Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.

1.7 Mohs Hardness

6-7

3.5

1.8 Chemical Composition

Al 2SiO 5Arthur Thomas , Gemstones (2009)

CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Fibrolite and Anhydrite Chemical Formula

While comparing Fibrolite and Anhydrite 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 Anhydrite chemical formula.

Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)
Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Fibrolite and Anhydrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fibrolite and Anhydrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fibrolite and Anhydrite Optical Properties during the identification of gemstone. Specific gravity of Fibrolite is 2.90-2.98 whereas that of Anhydrite is 2.90-2.98.