单词 | pinnoite |
释义 | pinnoiten. Mineralogy. A yellow or yellowish-greenish mineral which is a hydrated borate of magnesium, MgB2O4·3H2O, occurring as translucent crystals of the tetragonal system or granular masses. ΘΚΠ the world > the earth > minerals > types of mineral > borates > [noun] > magnesium borate boracite1811 stassfurtite1858 szaibelyite1866 parasite1868 pinnoite1885 inderite1937 kurnakovite1940 preobrazhenskite1957 1885 Amer. Naturalist 19 708 Pinnoite is a new borate from Stassfurt described by H. Staute. 1947 Mineral. Mag. 28 26 Pinnoite..is straw-yellow, granular to faintly fibrous. 1989 Geochem. Internat. 26 vii. 32 Minerals such as ascharite and pinnoite are associated with rocksalt containing anhydrite. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < n.1885 |
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