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Elbaite
Elbaite

Forsterite
Forsterite



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Elbaite
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Forsterite

Elbaite and Forsterite Physical Properties

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
2.90-3.103.23-3.26
Amber
1 7.18
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}
Perfect on {010} imperfect on {100}
1.7 Mohs Hardness
76.5-7
Amber
2 10
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
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Elbaite and Forsterite Chemical Formula

While comparing Elbaite and Forsterite 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 Forsterite 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 Forsterite- Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Elbaite and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.