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Annabergite
Annabergite

Fayalite
Fayalite



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Annabergite
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Fayalite

Annabergite and Fayalite Physical Properties

1 Physical Properties
1.1 Tenacity
Sectile
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.074.392
Amber
1 7.18
1.5 Fracture
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
Perfect on {010}, indistinct on {100} and {102}
{010} moderate, {100} imperfect
1.7 Mohs Hardness
26.5-7
Amber
2 10
1.8 Chemical Composition
Ni3(AsO4)2•8(H2O)
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Annabergite and Fayalite Chemical Formula

While comparing Annabergite 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 Annabergite and Fayalite chemical formula.

  • Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
  • Chemical formula of Fayalite- Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Annabergite and Fayalite Specific Gravity

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