单词 | pisanite |
释义 | pisaniten. Mineralogy. A mineral which consists of a hydrated sulphate of iron and copper, (Fe,Cu)SO4.7H2O, and is a cuprian variety of melanterite occurring as bluish crystals. ΘΚΠ the world > the earth > minerals > types of mineral > sulphates > [noun] > sulphates of two elements > hydrous or hydrated > others botryogen1828 pisanite1861 mendozite1868 kaluszite1875 syngenite1875 leonite1897 vanthoffite1902 1861 Amer. Jrnl. Sc. 81 366 Pisanite..a cupreous variety of copperas from Turkey. 1868 J. D. Dana Syst. Mineral. (ed. 5) 646 Pisanite..occurs with chalcopyrite at a copper mine in the interior of Turkey. 1910 Science 21 Oct. 559/1 The list of hydrous sulphates is an extensive one and includes..pisanite. 1951 C. Palache et al. Dana's Syst. Mineral. (ed. 7) II. 501 Melanterite and pisanite dehydrate to the pentahydrate (siderotil) or to lower hydrates at room temperature. 1991 Geol. Today 7 147/2 Pisanite..was found originally as pale bluish-green ‘fungus-like’ growths on joint surfaces and cavities. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < n.1861 |
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