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Marcasite
Marcasite

Nosean
Nosean



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Marcasite
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Nosean

Marcasite and Nosean 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
4.80-4.902.30-2.40
Amber
1 7.18
1.5 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
{010} Indistinct
{110} Perfect
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
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

Marcasite and Nosean Chemical Formula

While comparing Marcasite and Nosean 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 Nosean chemical formula.

  • Chemical formula of Marcasite- FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

Marcasite and Nosean Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Nosean Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Nosean Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 2.30-2.40 whereas that of Nosean is 2.30-2.40.