Fibrolite and Tourmaline Physical Properties

Fibrolite

Tourmaline

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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

3.14-3.252.85-3.35

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

Indistinct

1.7 Mohs Hardness

6-77-7.5

2 10

1.8 Chemical Composition

Al 2SiO 5Arthur Thomas , Gemstones (2009)

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Fibrolite and Tourmaline Chemical Formula

While comparing Fibrolite and Tourmaline 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 Tourmaline chemical formula.

Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)
Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

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Fibrolite and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fibrolite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fibrolite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Fibrolite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.