| Locality type: | Tunnel |
| Classification |
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| Species: | Heulandite-Ca |
| Formula: | (Ca,Na)5(Si27Al9)O72 · 26H2O |
| Comments: | a strontian heulandite-Ca |
| Confirmation |
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|
| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Calcite | ⓘ3 photos of Heulandite-Ca associated with Calcite at this locality. |
| Quartz | ⓘ3 photos of Heulandite-Ca associated with Quartz at this locality. |
| Laumontite | ⓘ1 photo of Heulandite-Ca associated with Laumontite at this locality. |
| Hematite | 1 photo of Heulandite-Ca associated with Hematite at this locality. |
| Prehnite | ⓘ1 photo of Heulandite-Ca associated with Prehnite at this locality. |
| Data |
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| Mineral Data: | Click here to view Heulandite-Ca data |
| Locality Data: | Click here to view Brekke Tunnel, Helland, Holmestrand, Vestfold, Norway |
| Photo Gallery | View Gallery (4 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 554920 |
| Long-form Identifier: | 1:3:554920:7 |
| GUID (UUID V4): | 4b874214-cb1a-4a91-b099-8f335c9bdcbf |
| Nearest other occurrences of Heulandite-Ca |
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| 0.5km (0.3 miles) | ⓘReggestad, Holmestrand, Vestfold, Norway |
| 1.7km (1.0 miles) | ⓘBentsrud (Solumbrekka), Holmestrand, Vestfold, Norway |
| 5.4km (3.4 miles) | ⓘFalkenstensvingen, Falkensten, Borre, Horten, Vestfold, Norway |
| 6.6km (4.1 miles) | ⓘBjerkeli residental area, Botne, Holmestrand, Vestfold, Norway |
| 31.0km (19.3 miles) | ⓘHaukåsen, Drammen, Buskerud, Norway |
| 32.1km (19.9 miles) | ⓘLauvtjern, Nedre Eiker, Drammen, Buskerud, Norway |
| 38.8km (24.1 miles) | ⓘVardåsen Tunnel, Asker, Viken, Norway |
| 40.0km (24.9 miles) | ⓘLierskogen Quarry, Lierskogen, Lier, Buskerud, Norway |
| 40.5km (25.2 miles) | ⓘBuer, Vesterøya, Sandefjord, Vestfold, Norway |
| 43.4km (27.0 miles) | ⓘFiskeløs prospect, Øvre Eiker, Buskerud, Norway |
| References |
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Brekke Tunnel, Helland, Holmestrand, Vestfold, Norway