单词 | vonsenite |
释义 | vonseniten. Mineralogy. A borate of ferrous and ferric iron, FeII2FeIIIBO5, that occurs as black, lustrous, orthorhombic crystals and is the magnesium-free end-member of a series with ludwigite. ΘΚΠ the world > the earth > minerals > types of mineral > borates > [noun] > other borates hambergite1890 nordenskiöldine1890 hulsite1908 paigeite1908 vonsenite1920 roweite1937 1920 A. S. Eakle in Amer. Mineralogist 5 143 Its distinctive difference in composition, and its manifest difference in structural and optical characters from ludwigite, justifies the writer in proposing the new name vonsenite. 1976 Mineral. Abstr. XXVII. 279/2 The first Spanish occurrence of vonsenite, end-member of the magnesium and iron borate series, is reported from the ‘Monchi’ mine [Badajoz]. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018). < n.1920 |
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