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iron pyrite 黃鐵礦(=pyrite)。

iron rations

In arctic north america , the eskimos produced a slow - burning spark by striking quartz against iron pyrites , a compound that contains sulphur 在北美北極圈地區,愛斯基摩人生產火星通過黃鐵礦和石英對撞,產生一種化合物包含硫磺。

An early hypothesis by chakraborti holds that the arsenic is associated with iron pyrites and enters the aquifers by an oxidation process 加卡波狄較早提出的一個假說認為,砷與黃鐵礦結合并透過氧化作用進入含水層。

Producing of manganese sulfate by using two minerals ripened by sulfate acid iron pyrite and manganeseore 硫鐵礦和錳礦濃硫酸熟化法生產硫酸錳