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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