Marat, jean-paul

What is Marat, jean-paul?

Marat, jean-paul definition and meaning on Dictionary terms:
noun
Also called white iron pyrites. a common mineral, iron disulfide, FeS2, chemically similar to pyrite but crystallizing in the orthorhombic system.
any of the crystallized forms of iron pyrites, much used in the 18th century for ornaments.
a specimen or ornament of this substance.

 

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