以下为句子列表：
英文: Color and luster, outside hardness, fracture, acid value, saponification value, iodine value, benzene insoluble, white to light yellow, smooth and shining on surface, without obvious impurity, being hard and crispy, fracture being horse tooth structure wi
中文: 色泽与外观硬度、断面酸值皂化值碘值苯不溶物白色至微黄，表面光滑有光泽，无明显杂质，质硬而脆，断面呈马牙状有光泽.
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