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| Description | |
|---|---|
| Quality of samples: | not specified / average specimens |
| Confirmation | |
| Validity: | Believed Valid |
| References | |
| References: | Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 214. |
| Data | |
| Mineral Data: | Click here to view Heulandite-Ca data |
| Locality Data: | Click here to view Giuv Valley, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden), Switzerland |