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琥珀表面为黄棕色及黑棕色的不规则块状物,有的具光泽。琥珀主要含二松香醇酸(diabietionlic acid)的聚酯化合物及其分解产物琥珀酸(succinic acid)及龙脑(borneol)。
The amber surface is yellow-brown and black-brown irregular blocks, some glossy. Amber mainly contains a diobietionic acid polyester compound and its decomposition products succinic acid and borneo.