siderite

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English[edit]

Siderite (FECO3)
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Etymology[edit]

Latin sideritis (lodestone), from Ancient Greek [script?], of iron, from iron.

Noun[edit]

siderite (countable and uncountable, plural siderites)

  1. (uncountable, mineralogy) a widespread brown mineral, FeCO3, having the structure of calcite
  2. (countable) an iron meteorite
  3. An indigo-blue variety of quartz.
  4. (obsolete) magnetic iron ore; lodestone