Last Updated
：2025/12/06
鋭錐石
Hiragana
えいすいせき
Noun
Japanese Meaning
鋭錐石（えいすいせき）は、主に二酸化チタン（TiO2）から成る鉱物で、チタン石（ルチル）、鋭錐石、板チタン石（ブルッカイト）の3つの同質異像の一つ。結晶系は正方晶系で、通常は褐色から黒色を呈し、金紅石（ルチル）とともにチタン鉱石として利用される。宝石として用いられることもある。
Easy Japanese Meaning
とてもかたくてするどい形のいしで土の中からとれるこうぶつ
Sense（1）
(mineralogy) anatase
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
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鋭錐石
See correct answer
Anatase is a type of titanium oxide, characterized by the shape of its crystals.
Anatase is a type of titanium oxide, characterized by the shape of its crystals.
See correct answer
鋭錐石は酸化チタンの一種で、結晶の形が特徴的です。
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