Fibrolite and Montebrasite Physical Properties

Fibrolite

Montebrasite

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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

3.14-3.252.98-3.10

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Not Available

{100} Perfect, {110} Good, {011} Distinct

1.7 Mohs Hardness

6-75.5-6

2 10

1.8 Chemical Composition

Al 2SiO 5Arthur Thomas , Gemstones (2009)

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Fibrolite and Montebrasite Chemical Formula

While comparing Fibrolite and Montebrasite 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 Montebrasite chemical formula.

Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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Fibrolite and Montebrasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fibrolite and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fibrolite and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Fibrolite is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.