| Classification |
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| Species: | 'Heulandite Subgroup' (not an IMA approved species) |
| Formula: | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Heulandite Subgroup data |
| Locality Data: | Click here to view Val di Crana, Toceno, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 925604 |
| Long-form Identifier: | 1:3:925604:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Heulandite Subgroup |
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| 12.0km (7.5 miles) | ⓘVergeletto Valley, Onsernone Valley, Centovalli, Locarno, Ticino, Switzerland |
| 12.1km (7.5 miles) | ⓘRencio quarries, Crodo gneiss quarries, Crodo, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 15.7km (9.8 miles) | ⓘRio Alfenza, Crodo, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 18.7km (11.6 miles) | ⓘPianasca Quarry, Villadossola, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 20.0km (12.5 miles) | ⓘMigiandone Mine (Miggiandone), Ornavasso, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 20.4km (12.7 miles) | ⓘGneiss quarries, Riveo, Maggia, Vallemaggia, Ticino, Switzerland |
| 21.0km (13.1 miles) | ⓘAusone quarry, Premia, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 23.2km (14.4 miles) | ⓘMont'Orfano (Montorfano), Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 25.2km (15.7 miles) | ⓘScala dei Ratti Quarry (Ratti Quarry; Scala Quarry), Feriolo, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 26.0km (16.1 miles) | ⓘSeula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| References |
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