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Fayalite
Fayalite

Jacobsite
Jacobsite



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Fayalite
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Jacobsite

Fayalite and Jacobsite 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
4.3924.76-5.03
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Conchoidal, Brittle
1.6 Cleavage
{010} moderate, {100} imperfect
None
1.7 Mohs Hardness
6.5-75.5-6.5
Amber
2 10
1.8 Chemical Composition
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Fayalite and Jacobsite Chemical Formula

While comparing Fayalite and Jacobsite 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 Fayalite and Jacobsite chemical formula.

  • Chemical formula of Fayalite- Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Fayalite and Jacobsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Jacobsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Jacobsite Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 4.76-5.03 whereas that of Jacobsite is 4.76-5.03.