Alunite supergroup pseudooctahedrons. XRD analysed by Michel Blondieau at "laboratoire de minéralogie, université de Liège, Belgium. XRD diagnose gave benauite, beudantite, corkite, jarosite, kintoréite or natrojarosite as possible specie Field is 1,45mm large Zeiss luminar 25mm on bellows + .
Alunite. Etymology . From its earlier name aluminilite, given in 1824. Noun . English Wikipedia has an article on: alunite. Wikipedia . alunite (countable and uncountable, plural alunites) A gray, watersoluble mineral, potassium aluminium sulphate; the natural source of alum, K Al 3 (S O 4) 2 (OH) 6.
ACID SULFATION OF ALUNITE By L. J Froisland,1 M. L. ~ouden, 1 and D. D. Harbuck ABSTRACT The Bureau of Mines conducted laboratory studies on sulfuric acid (H2S04) digestion of alunite [KA1a(S04)z(OH)6] as a means for treating domestic deposits of this mineral.