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Diopside
Diopside

Marcasite
Marcasite



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Diopside
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Marcasite

Diopside and Marcasite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.22-3.404.80-4.90
Amber
1 7.18
1.5 Fracture
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
1.6 Cleavage
Distinct/good on {110}
{010} Indistinct
1.7 Mohs Hardness
5-66-6.5
Amber
2 10
1.8 Chemical Composition
CaMgSi2O6
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Diopside and Marcasite Chemical Formula

While comparing Diopside and Marcasite 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 Diopside and Marcasite chemical formula.

  • Chemical formula of Diopside- CaMgSi2O6
  • Chemical formula of Marcasite- FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Diopside and Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diopside and Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diopside and Marcasite Optical Properties during the identification of gemstone. Specific gravity of Diopside is 4.80-4.90 whereas that of Marcasite is 4.80-4.90.