jamesonite
simple past tense and past participle of cold-conk
plural of sillyhead
Of or referring to the Old Stone Age (the Paleolithic period or Paleolithic age).
(mineralogy) A dark grey monoclinic sulfosalt mineral with chemical formula Pb₄FeSb₆S₁₄.
地質学者は、石英脈を横切る組成式Pb4FeSb6S14の黒灰色の単斜晶の硫砒塩鉱物の脈を確認した。
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