Deutsch: Hercynit (Spinellgruppe) mit Stift als Maßstab
English: Hercynite (spinel group). Pen for scale. Mineral collection of Brigham Young University Department of Geology, Provo, Utah. Photograph by Andrew Silver. BYU index 6001, FeAl_2O_4.
2009-06-07 04:06 Materialscientist 700×517× (318250 bytes) {{Information |Description = Hercynite (spinel). Pen for scale. Mineral collection of Brigham Young University Department of Geology, Provo, Utah. Photograph by Andrew Silver. BYU index 6001, FeAl_2O_4. |Source = http://libraryphoto.cr.usgs
{{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Hercynite (spinel). Pen for scale. Mineral collection of Bringham Young University Department of Geolog