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ピューミス

1 件の記事

Kutkhiny Baty, a pumice rock formation outcrop located 4 km from the source of the Ozyornaya River (Lake Kurile), near the southern tip of the Kamchatka Peninsula, Russia

軽石(ピューミス)の特性と用途火山が作り出す多孔質ガラスの科学

軽石ピューミス火山岩火山ガラス