Fibrolite and Emerald Physical Properties

Fibrolite

Emerald

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

3.14-3.25

2.67-2.78

1.5 Fracture

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

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Not Available

Imperfect on the [0001]

1.7 Mohs Hardness

6-7

7.5-8

1.8 Chemical Composition

Al 2SiO 5Arthur Thomas , Gemstones (2009)

Be₃Al₂SiO₆

Fibrolite and Emerald Chemical Formula

While comparing Fibrolite and Emerald 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 Emerald chemical formula.

Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)
Chemical formula of Emerald- Be₃Al₂SiO₆

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Fibrolite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fibrolite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fibrolite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Fibrolite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.