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オパール

2 件の記事

Hydrated silica is a primary ingredient in modern toothpastes, serving as a high performance abrasive during cleaning.[1]

含水シリカの特性と多岐にわたる産業利用

含水シリカ二酸化ケイ素歯磨き粉研磨剤
A diagram of an opal's molecular structure, showing small lilac spheres packed in misaligned sheets on top of each other. The legend shows that one sphere has a diameter of 150–300 nanometres.

オパールの神秘虹色の輝きを生む構造と世界的な産地

オパール貴オパール遊色効果シリカ