BENITOITE BaTiSi3O9 (hexagonal) . NEPTUNITE KNa2Li(Fe,Mn)2Ti2Si8O24 (monoclinic) . San Benito County, California . 藍色三角錐狀的藍錐礦與黑色柱狀的柱星葉石，加上絲狀白色的鈉沸石， 被覆於蛇紋岩之上，構成令人讚嘆的美好礦物標本．
NO.232