Last Updated：2025/11/25
Geologists identified the white veins as magnesium silicate, noting that the mineral occurs naturally as talc and meerschaum.
See correct answer
Geologists identified the white veins as magnesium silicate, noting that the mineral occurs naturally as talc and meerschaum.
音声機能が動作しない場合はこちらをご確認ください
Edit Histories（0）
