Marcasite and Coral Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.80-4.90
2.60-2.70
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
Irregular, Irregular, Gemstones of the world (2001)
Cleavage
{010} Indistinct
Not Available
Chemical Composition
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaCO 3Ulrich Henn and Claudio C.
Marcasite and Coral Chemical Formula
While comparing Marcasite and Coral 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 Coral chemical formula.
- Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.
Marcasite and Coral Specific Gravity
Another important criteria for qualitative analysis of gemstones is Marcasite and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Coral Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 2.60-2.70 whereas that of Coral is 2.60-2.70.