单词 | rösslerite |
释义 | rössleriten. Mineralogy. A mineral which occurs as small colourless plates and typically forms an oxidized crust on arsenical deposits.Röntgenite is a hydrated acid arsenate of magnesium, MgHAsO4.7H2O. Crystal system: monoclinic. Cf. phosphor-roesslerite n. ΘΚΠ the world > the earth > minerals > types of mineral > arsenates > [noun] > others of one element picropharmacolite1823 arsenicite1843 rösslerite1862 hœrnesite1868 schultenite1926 legrandite1932 rooseveltite1947 sainfeldite1964 1862 Amer. Jrnl. Sci. 84 220 Roesslerite..This name has been given by Blum to a new hydrous arseniate of magnesia, from the Kupfershiefer of Bieber. 1903 Jrnl. Chem. Soc. 84 ii. 656 Crystals..of the arsenic compound, (NH4)MgAsO4,6H2O, isomorphous with struvite were obtained, and at the same time crystals of rösslerite. 1973 Acta Crystallographica B. 29 287/1 Roesslerite is biaxial negative. 2004 S. B. Castor & G. C. Ferdock Minerals of Nevada (Nevada Bureau Mines & Geol. Special Pub. 31) iv. 390/2 Rösslerite (roesslerite) is an uncommon secondary mineral in arsenic-bearing ore deposits. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022). < n.1862 |
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