A.呈塊片狀、顆粒狀或粉末狀,鮮紅或暗紅色,有光澤,體重,質(zhì)脆 B.呈塊片狀、顆粒狀或粉末狀,色紅而鮮艷,體輕,質(zhì)較脆 C.呈板片狀、斜方形或長條形,色紅而鮮艷,光亮如鏡面微透明,質(zhì)較脆 D.呈板片狀、斜方形或長條形,色暗紅或呈灰褐色,質(zhì)堅脆 E.呈粒狀、方圓形或多角形,色暗紅或呈灰褐色,質(zhì)堅,不易碎