Thompsonite NaCa2Al5Si5O20·6H2O, with Cahnite and Phillipsite, Vallerano Quarry, Valleranello, Rome Province, Latium, Italy, Ex Steve Pullman
Thompsonite NaCa2Al5Si5O20·6H2O, with amygdaloidal basalt, Ojibwa Mine, Keweenaw Co., Michigan
Thompsonite NaCa2Al5Si5O20·6H2O, detail, with amygdaloidal basalt, Ojibwa Mine, Keweenaw Co., Michigan
Thompsonite NaCa2Al5Si5O20·6H2O, Lake Superior shoreline, Minnesota
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