单词 | rhomboclase |
释义 | rhomboclasen. Mineralogy. An iron sulphate mineral occurring as colourless or pale yellow, green, or blue tabular crystals, commonly as an oxidation product of pyrite.Rhomboclase is a hydrated acid sulphate of iron( iii), HFe(SO4)2·4H2O. Crystal system: orthorhombic. ΘΚΠ the world > the earth > minerals > types of mineral > sulphates > [noun] > iron sulphate > hydrated acidic rhomboclase1910 1910 Mineral. Mag. 15 429 Rhomboclase..occurring together with szomolnokite..and other iron sulphates (kornelite, copiapite, coquimbite, &c.) at Szomolnok, Hungary. 1968 I. Kostov Mineral. 499 Rhomboclase is orthorhombic-dipyramidal, occurring as colourless to white or greenish thin tabular crystals with perfect {001} cleavage. 2000 Environmental Sci. & Technol. 34 257/1 Sample 90WA110C precipitated rhomboclase upon cooling. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < n.1910 |
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