Howlite and Fibrolite Physical Properties

Howlite

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

2.45-2.583.14-3.25

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

3-3.56-7

2 10

1.8 Chemical Composition

Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Al 2SiO 5Arthur Thomas , Gemstones (2009)

Howlite and Fibrolite Chemical Formula

While comparing Howlite 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 Howlite and Fibrolite chemical formula.

Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)

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Howlite and Fibrolite Specific Gravity

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