| 释义 |
vonsenite Min.|ˈvɒnsənaɪt|
[f. the name of Marcus Vonsen (1879–1954), U.S. amateur mineralogist who collected the original material + -ite1.]
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.
1920A. S. Eakle in Amer. Mineralogist V. 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. 1976Mineral. 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]. |