Last Updated：2025/11/26
Sentence
地質学者はペグマタイト脈中で、カルシウム、フッ素、水素、ランタン、セリウム、プラセオジム、ネオジム、サマリウム、マンガン、ニオブ、酸素、ケイ素、ナトリウム、ジルコニウムを含む三方晶系（トリゴナル-ディトリゴナルピラミッド状）の黄褐色の鉱物を同定し、その結晶を記録した。
Quizzes for review
The geologist identified kentbrooksite in the pegmatite vein and recorded its yellowish-brown, trigonal-ditrigonal pyramidal crystals.
See correct answer
The geologist identified kentbrooksite in the pegmatite vein and recorded its yellowish-brown, trigonal-ditrigonal pyramidal crystals.
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Related words
kentbrooksite
Noun
uncountable
Japanese Meaning
鉱物学における鉱物名。三方正規‐対三方正規錐の形状を持ち、黄褐色である。カルシウム、フッ素、水素、ランタン、セリウム、プラセオジム、ネオジム、サマリウム、マンガン、ニオブ、酸素、ケイ素、ナトリウム、ジルコニウムなどの元素を含む。
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