A yellow iron mineral occurring in very arid regions, typically as masses of needle-shaped crystals.
| 单词 | θ7177 |
| 释义 | the world > the earth > minerals > types of mineral > sulphates > [noun] > sulphates of two elements > hydrous or hydrated > basic (2) sideronatrite1882 A yellow iron mineral occurring in very arid regions, typically as masses of needle-shaped crystals. natrochalcite1908 a monoclinic basic hydrated sulphate of sodium and copper, NaCu2(SO4)2(OH)·H2O, found as emerald-green crystals in Chile. |
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