marcasites (0 synonym found)

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Definition of marcasites:

(n) : (mineralogy) The orthorhombic form of iron disulfide, FeS₂, occurring as yellow crystals.
(n) : (jewelry) Pyrite.
(n) : (historical) Any of various metal sulfides, usually iron sulfide minerals.

Definition of marcasites:

(n) : (mineralogy) The orthorhombic form of iron disulfide, FeS₂, occurring as yellow crystals.
(n) : (jewelry) Pyrite.
(n) : (historical) Any of various metal sulfides, usually iron sulfide minerals.

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