A volcanic mineral product.
| 单词 | θ7180 |
| 释义 | the world > the earth > minerals > types of mineral > sulphates > [noun] > sulphates of two plus elements (27) boussingaultite1865 A volcanic mineral product. palmierite1907 A trigonal sulphate of potassium and lead, K2Pb(SO4)2 (often with some sodium), occurring as small, colourless hexagonal crystals. tychite1909 A rare mineral consisting of carbonate and sulphate of magnesium and sodium, crystallizing in colourless octahedrons. Subcategories:— basic (7) — hydrous or hydrated (17) |
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