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Elbaite
Elbaite

Fayalite
Fayalite



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Elbaite and Fayalite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-3.10
4.392
1.5 Fracture
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
Poor/indistinct on {1120} and {1011}
{010} moderate, {100} imperfect
1.7 Mohs Hardness
7
6.5-7
1.8 Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Elbaite and Fayalite Chemical Formula

While comparing Elbaite and Fayalite 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 Elbaite and Fayalite chemical formula.

  • Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
  • Chemical formula of Fayalite- Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Elbaite and Fayalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 4.392 whereas that of Fayalite is 4.392.