| | Description | |
| Type Locality: | Zapot pegmatite, Gillis Range, Fitting District, Mineral Co., Nevada, USA is the type locality for Simmonsite | | Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Mineralogical Record: 31: 204. | | Associated minerals: | |
| Associates: | Amazonite Cryolite Cryolithionite Pachnolite Topaz
| | Data | |
| Mineral Data: | Click here to view Simmonsite data | | Locality Data: | Click here to view Zapot pegmatite, Gillis Range, Fitting District, Mineral Co., Nevada, USA |
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