Marcasite

noun

/ˈmɑːkəsʌɪt/

Word Frequency: 0.1

Definitions

1.nounThe orthorhombic form of iron disulfide, FeS2, occurring as yellow crystals.

2.noun(jewellery) Pyrite.

3.nounAny of various metal sulfides, usually iron sulfide minerals.

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