calderonite
(mineralogy) A monoclinic-prismatic mineral containing copper, hydrogen, iron, lead, oxygen, and vanadium.
Synonym of Shunde (Foshan, Guangdong, China): the Cantonese-derived name.
(mathematics) A prime number that is one more or one less than a factorial. For example, 7 is a factorial prime, since 3! + 1 = 7.
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地質学者は、銅・水素・鉄・鉛・酸素・バナジウムを含む単斜晶系の柱状鉱物の試料をそれぞれ慎重に記録し、分光分析のために研究所へ送った。
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