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Fayalite
Fayalite

Sheen Obsidian
Sheen Obsidian



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Fayalite
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Sheen Obsidian

Fayalite and Sheen Obsidian 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
4.3922.33-2.50
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
{010} moderate, {100} imperfect
Not Available
1.7 Mohs Hardness
6.5-75-5.5
Amber
2 10
1.8 Chemical Composition
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
Not Available

Fayalite and Sheen Obsidian Chemical Formula

While comparing Fayalite and Sheen Obsidian 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 Sheen Obsidian chemical formula.

  • Chemical formula of Fayalite- Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
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Fayalite and Sheen Obsidian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Sheen Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Sheen Obsidian Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 2.33-2.50 whereas that of Sheen Obsidian is 2.33-2.50.