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Taaffeite
Taaffeite
☒

Fayalite
Fayalite
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Taaffeite
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Fayalite

Taaffeite and Fayalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.60-3.61
Conchoidal
Imperfect/fair/absent
8-8.5
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
 
-
-
-
4.392
Conchoidal
{010} moderate, {100} imperfect
6.5-7
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Taaffeite and Fayalite Chemical Formula

While comparing Taaffeite 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 Taaffeite and Fayalite chemical formula.

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Taaffeite and Fayalite Specific Gravity

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