Last Updated：2025/11/26
Sentence
地質学者がその標本を初めて調べたとき、彼女はそれがアルミニウム、ベリリウム、水素、酸素、リン、カリウム、ナトリウム、ジルコニウムを含む、四方二十面体双錐形の結晶習性を持つ希少な深い紫藍色の鉱物であることに気づいた。
Quizzes for review
When the geologist first examined the specimen, she realized it was selwynite, a rare deep purplish-blue mineral with a tetragonal-ditetragonal dipyramidal crystal habit containing aluminum, beryllium, hydrogen, oxygen, phosphorus, potassium, sodium, and zirconium.
See correct answer
When the geologist first examined the specimen, she realized it was selwynite, a rare deep purplish-blue mineral with a tetragonal-ditetragonal dipyramidal crystal habit containing aluminum, beryllium, hydrogen, oxygen, phosphorus, potassium, sodium, and zirconium.
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Related words
selwynite
Noun
Japanese Meaning
四角晶系（テトラゴナル）－二重ピラミッド形状を持つ、深い紫青色の鉱物で、主にアルミニウム、ベリリウム、水素、酸素、リン、カリウム、ナトリウム、ジルコニウムを含む
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