Horseshoe Dam
Maricopa County
Arizona
United States of America
Analcime
Calcite
Chabazite-Na
Gismondite
Gyrolite
"Herschelite" (= Chabazite-Na)
Natrolite
Okenite
Phillipsite
Saponite
Sources:
Shannon D. M. (1983)
Zeolites and associated minerals from Horseshoe Dam, Arizona
Mineralogical Record Vol. 14 No. 2, p.115-117
