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Fayalite
Fayalite

Mimetite
Mimetite



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Fayalite
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Mimetite

Fayalite and Mimetite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.3927.10
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
{010} moderate, {100} imperfect
[10 1 1] Imperfect
1.7 Mohs Hardness
6.5-73.5
Amber
2 10
1.8 Chemical Composition
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
Pb 5(AsO 4) 3ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Fayalite and Mimetite Chemical Formula

While comparing Fayalite and Mimetite 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 Mimetite chemical formula.

  • Chemical formula of Fayalite- Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Fayalite and Mimetite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Mimetite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Mimetite Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 7.10 whereas that of Mimetite is 7.10.