单词 | hackmanite |
释义 | hackmaniten. Mineralogy. A rare, sulphur-rich variety of sodalite that exhibits tenebrescence, typically changing from pink or violet to a greyish or creamy white when exposed to sunlight.Hackmanite from Burma (Myanmar) and Afghanistan darkens in colour, turning pink or violet, when exposed to sunlight. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > tectosilicate > [noun] > feldspathoid > sodalite sodalite1810 hackmanite1903 1903 Geol. Lit. added to Geol. Soc. Lib. 1902 18 Borgstrœm, L. H. Mineraliska Notiser. [Baryte, Uwarowite, Hackmanite.]. 1903 Jrnl. Chem. Soc. 84 ii. 304 Hackmanite, a new member of the sodalite group. 1941 Amer. Mineralogist 26 441 The induced color change of hackmanite when exposed to ultra-violet light was first observed..on hackmanite from Bancroft, Ontario. 1970 Physics Bull. Nov. 487/1 Geologists had found that freshly cleared rocks of a naturally occurring form of sodalite, hackmanite, exhibited a pink colour. 2009 G. Rapp Archaeomineralogy (ed. 2) ii. 42 The most interesting fluorescent mineral is hackmanite..which changes color under the influence of different wavelengths of light. This entry has been updated (OED Third Edition, December 2016; most recently modified version published online March 2022). < n.1903 |
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