| Locality type: | Mine |
| 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 |
| Comments: | Most samples of 'heulandite' have been shown to be Clinoptilolite-Ca, with a few being Heulandite-Ca, and one being Heulandite-K. |
| 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 Wheal Hazard, Botallack Mine, Botallack, St Just, Cornwall, England, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 6232 |
| Long-form Identifier: | 1:3:6232:9 |
| GUID (UUID V4): | 2f1bf4fb-4cbe-4c2f-86ea-ec9ba794d784 |
| Nearest other occurrences of Heulandite Subgroup |
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| 0.6km (0.4 miles) | ⓘWheal Edward, Botallack, St Just, Cornwall, England, UK |
| 1.1km (0.7 miles) | ⓘLevant Mine, Trewellard, St Just, Cornwall, England, UK |
| 16.6km (10.3 miles) | ⓘCarrack Dews Mine (Carrick Du Mine), St Ives, Cornwall, England, UK |
| 45.8km (28.4 miles) | ⓘDean Quarry, St Keverne, Cornwall, England, UK |
| References |
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