| Locality type: | Mine |
| Classification |
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| Species: | 'Stilbite Subgroup' (not an IMA approved species) |
| Formula: | M6-7[Al8-9Si27-28O72] · nH2O |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Quartz | ⓘ5 photos of Stilbite Subgroup associated with Quartz at this locality. |
| Heulandite Subgroup | ⓘ3 photos of Stilbite Subgroup associated with Heulandite Subgroup at this locality. |
| Laumontite | ⓘ3 photos of Stilbite Subgroup associated with Laumontite at this locality. |
| Calcite | ⓘ3 photos of Stilbite Subgroup associated with Calcite at this locality. |
| Data |
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| Mineral Data: | Click here to view Stilbite Subgroup data |
| Locality Data: | Click here to view Helgustadir Mine, Reyðarfjörður, Fjarðabyggð, Eastern Region, Iceland |
| Photo Gallery | View Gallery (6 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 285819 |
| Long-form Identifier: | 1:3:285819:7 |
| GUID (UUID V4): | 943442fe-cb30-4267-bd67-d74373a00de4 |
| Nearest other occurrences of Stilbite Subgroup |
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| 8.3km (5.2 miles) | ⓘQuarry at Oddskarðsvegur, Neskaupstaður, Fjarðabyggð, Eastern Region, Iceland |
| 8.5km (5.3 miles) | ⓘHólmaháls, Reyðarfjörður, Fjarðabyggð, Eastern Region, Iceland |
| 9.9km (6.2 miles) | ⓘTunnel Norðfjörður, Eskifjörður, Fjarðabyggð, Eastern Region, Iceland |
| 11.1km (6.9 miles) | ⓘKirkjubol, Reyðarfjörður, Fjarðabyggð, Eastern Region, Iceland |
| 14.4km (8.9 miles) | ⓘVattarnes, Reyðarfjörður, Fjarðabyggð, Eastern Region, Iceland |
| 14.7km (9.1 miles) | ⓘReyðarfjall south side, Fáskrúðsfjörður, Fjarðabyggð, Eastern Region, Iceland |
| 16.6km (10.3 miles) | ⓘGaesadalur, Mjóifjörður, Fjarðabyggð, Eastern Region, Iceland |
| 17.4km (10.8 miles) | ⓘDigritindur, Fáskrúðsfjörður, Fjarðabyggð, Eastern Region, Iceland |
| 20.4km (12.7 miles) | ⓘMount Skessa, Reyðarfjörður, Fjarðabyggð, Eastern Region, Iceland |
| 23.5km (14.6 miles) | ⓘRoad F936 Áreyjadal, Reyðarfjörður, Fjarðabyggð, Eastern Region, Iceland |
| References |
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Helgustadir Mine, Reyðarfjörður, Fjarðabyggð, Eastern Region, Iceland