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Marcasite
Meaning
Noun
●
In Minerals:
The
orthorhombic
form of
iron
disulfide
, FeS₂,
occurring
as
yellow
crystals.
●
In Jewelry:
Pyrite.
●
Any of various
metal
sulfides
, usually
iron sulfide
minerals.
Sourced from
Wiktionary
Related
Siderite
Feldspars
Lepidolite
Actinolite
Eclogite
Kyanite
Epidote
Albite
Moss Agate
Smoky Quartz
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