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据美国矿物年鉴报道,矿产品的商业价值等于世界年产量乘以国际市场平均价格(1987年计),并以价值大小进行排列,作为国际贸易商品的相对地位。现将锰以上的18种矿产品排列如下(单位百万美元):铝24300,金21000,铜(精炼金属)17300, 铁矿石17000,硫7000,锌(精炼金属)6500,磷5400,硅4000,镍3700,铅(精炼金属)3300,银3000,镁砂2775,铂族2750,铀2300,石棉1575,锡1350,钾碱1200,锰1100。
According to the American Minerals Yearbook, the commercial value of minerals equals the world annual output multiplied by the average international market price (in 1987), and is ranked by value as the relative position of commodities traded internationally. The 18 minerals above manganese are now ranked as follows (Millions of dollars): Aluminum 24300, Gold 21000, Copper (Refined Metal) 17300, Iron Ore 17000, Sulfur 7000, Zinc (Refined Metal) 6500, Phosphorus 5400, Silicon 4000, nickel 3700, lead (refined metal) 3300, silver 3000, magnesia 2775, platinum group 2750, uranium 2300, asbestos 1575, tin 1350, potash 1200, manganese 1100.