| | Description | |
| Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Ref.: Stalder, H. A., de Quervain, Niggli, E., Graeser, St., Die Mineralfunde der Schweiz, (1973), p. 116 | | Data | |
| Mineral Data: | Click here to view Quartz data | | Locality Data: | Click here to view Gries pass, Gries lake area, Ägene Valley, Ulrichen, Goms, Wallis (Valais), Switzerland |
|