Hurlbutite and Fibrolite Physical Properties

Hurlbutite

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

2.903.14-3.25

1 7.18

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

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

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

66-7

2 10

1.8 Chemical Composition

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Al 2SiO 5Arthur Thomas , Gemstones (2009)

Hurlbutite and Fibrolite Chemical Formula

While comparing Hurlbutite 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 Hurlbutite and Fibrolite chemical formula.

Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)

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Hurlbutite and Fibrolite Specific Gravity

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