Alum Group : XAl(SO4)2·12H2O
As recorded:
Flux Mine, Flux Gulch, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
Photo added to mindat.org
“White alum-group mineral (ID basted on taste and appearance of visually similar aggregates at nearby locality); post-mine formation, water soluble, sweet tasting crystals on iron and manganese oxide host rock. Collected by Phil Partington. Rolf Luetcke specimen and photo.
For discussion see https://www.mindat.org/mesg-11-433818.html”
Rolf Luetcke - 26th March 2018
Photo added to mindat.org
“White alum group, post mine, water soluble, sweet tasting crystals on iron and manganese oxide host rock. Collected by Phil Partington. Rolf Luetcke specimen and photo.”
Rolf Luetcke - 26th March 2018
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