Mineralogy. = halotrichite, n. Now rare.
单词 | θ7156 |
释义 | the world > the earth > minerals > types of mineral > sulphates > [noun] > alum > halotrichite (2) iron alum1844 Mineralogy. = halotrichite, n. Now rare. halotrichite1849 A mineral consisting of a hydrated sulphate of iron and aluminium, occurring in yellowish-white, fibrous masses; also called feather alum. |
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