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Taaffeite
Taaffeite

Forsterite
Forsterite



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Taaffeite
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Forsterite

Taaffeite 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
3.60-3.61
3.23-3.26
1.5 Fracture
Conchoidal
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
Imperfect/fair/absent
Perfect on {010} imperfect on {100}
1.7 Mohs Hardness
8-8.5
6.5-7
1.8 Chemical Composition
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Taaffeite and Forsterite Chemical Formula

While comparing Taaffeite 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 Taaffeite and Forsterite chemical formula.

  • Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Forsterite- Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Taaffeite and Forsterite Specific Gravity

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