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Danburite
Danburite

Marcasite
Marcasite



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Danburite
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Marcasite

Danburite 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
2.97-3.034.80-4.90
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
1.6 Cleavage
{001} Poor
{010} Indistinct
1.7 Mohs Hardness
76-6.5
Amber
2 10
1.8 Chemical Composition
CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Danburite and Marcasite Chemical Formula

While comparing Danburite 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 Danburite and Marcasite chemical formula.

  • Chemical formula of Danburite- CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Marcasite- FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Danburite and Marcasite Specific Gravity

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