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realgar

/rɪˈæl.ɡɑːr/

Traduction: Minéral rare, mou et orange, composé de sulfure d'arsenic, servant d'important minerai d'arsenic.

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noun

/rɪˈæl.ɡɑːr/C2formalscientific
  • frMinéral rare, mou et orange, composé de sulfure d'arsenic, servant d'important minerai d'arsenic.

A rare, soft, orange mineral composed of arsenic sulfide, which serves as an important ore of arsenic.

  1. Arsenic sulfide mineralC2formalscientific

    A rare, soft, orange-red mineral composed of arsenic sulfide, historically used as a pigment and an important ore of arsenic.

    frréalgar

    • Realgar was once used in ancient Chinese medicine despite its toxicity.
    • The mineral realgar is often found in association with orpiment.
    • Miners extracted realgar from the volcanic deposits in Romania.