An acid ammonium sulphate, (NH4)3H(SO4)2, found as colourless prismatic crystals in coal-mine waste-heaps.
单词 | θ7178 |
释义 | the world > the earth > minerals > types of mineral > sulphates > [noun] > sulphates of two elements > acidic (1) letovicite1932 An acid ammonium sulphate, (NH4)3H(SO4)2, found as colourless prismatic crystals in coal-mine waste-heaps. |
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