单词 | raimondite |
释义 | raimonditen. Mineralogy. rare. A rare mineral originally reported as yellowish hexagonal plates from Bolivian tin mines, perhaps a form of jarosite.Raimondite is a hydrous sulphate of iron and potassium. Crystal system: trigonal. ΚΠ 1868 J. D. Dana Syst. Mineral. (ed. 5) 634 Raimondite... In thin six-sided tables with removed basal edges... Color between honey- and ochre-yellow... From the tin mines of Ehrenfriedersdorf, in scales on cassiterite. 1910 Science 21 Oct. 559/1 From the data now at hand, apatélite, raimondite, cyprussite and possibly several others are probably identical. 1957 Mineral Mag. 31 409 The claim of raimondite to be a mineral rests on an analysis carried out on behalf of A. Breithaupt by Dr. Ruhe some 90 years ago... The description of the microscopic appearance of the mineral suggests that here again we are dealing with jarosite or natrojarosite. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < n.1868 |
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