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Realgar
Realgar

Fayalite
Fayalite



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Realgar
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Realgar and Fayalite Physical Properties

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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
3.564.392
Amber
1 7.18
1.5 Fracture
(e.g. graphite).
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
{010} Good
{010} moderate, {100} imperfect
1.7 Mohs Hardness
Not Available6.5-7
Amber
2 10
1.8 Chemical Composition
AsSMichael O’Donoghue , Gems, Sixth Edition (2006)
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Realgar and Fayalite Chemical Formula

While comparing Realgar 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 Realgar and Fayalite chemical formula.

  • Chemical formula of Realgar- AsSMichael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Fayalite- Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Realgar and Fayalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Realgar and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Realgar and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Realgar is 4.392 whereas that of Fayalite is 4.392.