Last Updated:2025/11/20
Sentence

彼女はルーペでオパール(化学式SiO2·nH2Oの水和二酸化ケイ素鉱物)を調べ、その色の遊びや石英に比べて硬度がやや低いことに気づいた。

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She examined the opal under a magnifying glass, noting the play of colors and its relatively low hardness compared to quartz.

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She examined the opal under a magnifying glass, noting the play of colors and its relatively low hardness compared to quartz.

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Related words

opal

IPA(Pronunciation)
Noun
Japanese Meaning
オパール:二酸化ケイ素の水和物からなる鉱物で、クォーツに似ているが硬度や比重が劣る鉱物。
What is this buttons?

彼女はルーペでオパール(化学式SiO2·nH2Oの水和二酸化ケイ素鉱物)を調べ、その色の遊びや石英に比べて硬度がやや低いことに気づいた。

Related Words

plural

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