| Locality type: | Quarry |
| 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 Cala Francese Quarries, La Maddalena Island, La Maddalena, Sassari Province, Sardinia, Italy |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 125300 |
| Long-form Identifier: | 1:3:125300:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Heulandite Subgroup |
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| 37.5km (23.3 miles) | ⓘSan Bachisio Quarries, Telti, Sassari Province, Sardinia, Italy |
| 41.9km (26.0 miles) | ⓘFurru e Conca Quarries, Calangianus, Sassari Province, Sardinia, Italy |
| 74.2km (46.1 miles) | ⓘIscoba Mt, Nulvi, Sassari Province, Sardinia, Italy |
| 79.7km (49.5 miles) | ⓘCapurru Quarry, Osilo, Sassari Province, Sardinia, Italy |
| 80.5km (50.0 miles) | ⓘSu Marralzu, Osilo, Sassari Province, Sardinia, Italy |
| 81.3km (50.5 miles) | ⓘCrastu Muradu Quarry, Osilo, Sassari Province, Sardinia, Italy |
| References |
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Cala Francese Quarries, La Maddalena Island, La Maddalena, Sassari Province, Sardinia, Italy