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Marcasite
Marcasite

Star Ruby
Star Ruby



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Marcasite
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Star Ruby

Marcasite and Star Ruby 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
4.80-4.903.95-4.10
Amber
1 7.18
1.5 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
{010} Indistinct
Not Available
1.7 Mohs Hardness
6-6.5Not Available
Amber
2 10
1.8 Chemical Composition
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Marcasite and Star Ruby Chemical Formula

While comparing Marcasite and Star Ruby 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 Marcasite and Star Ruby chemical formula.

  • Chemical formula of Marcasite- FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Marcasite and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.