ablykite 多水高岭土abradum细氧化铝粉（抛光用）acmite锥辉石actinolite阳起石adamantine spar刚玉adamas金刚石adamic earth红粘土aeroclay风化粘土aerocrete加气混凝土afwillite硅钙石agalite纤滑石agalmatolite蜡石 寿山石agaphite绿松石agate玛瑙alabandite硫锰矿albertite...