オパール

Japanese

Etymology

Borrowed from French opal.[1]

Noun

オパール • (opāru

  1. (mineralogy) opal, a mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity

References

  1. ^ Matsumura, Akira, editor (1995), 大辞泉 [Daijisen] (in Japanese), First edition, Tokyo: Shogakukan, →ISBN