アロフェンアロフェンMeanings1nounallophaneA clay mineral; technical term used in geology and soil science.アロフェンは火か山灰ざんばい土ど壌じょうに多おおく含ふくまれる粘ねん土ど鉱こう物ぶつです。Allophane is a clay mineral commonly found in volcanic ash soils.
