Last Updated：2025/11/26
Sentence
地質学者は、顕微鏡で構造を確認するために、炭素・水素・マグネシウム・酸素・リンを含む三方-二三角錐の無色鉱物の淡いガラス状の標本を注意深く調べた。
Quizzes for review
The geologist carefully examined a pale, glassy holtedahlite specimen under the microscope to confirm its trigonal-ditrigonal pyramidal structure.
See correct answer
The geologist carefully examined a pale, glassy holtedahlite specimen under the microscope to confirm its trigonal-ditrigonal pyramidal structure.
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Related words
holtedahlite
Noun
Japanese Meaning
（鉱物学） 炭素、水素、マグネシウム、酸素、リンを含む無色の鉱物。特徴として、三方錐面体（トリゴナル・ディトリゴナルピラミッド形状）を呈する。
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