| Locality type: | Nature Reserve |
| Classification |
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| Species: | Heulandite-Ca |
| Formula: | (Ca,Na)5(Si27Al9)O72 · 26H2O |
| Comments: | Nordrum et al (2003) has analysed one sample of heulandite from Hørtekollen and found it to be a barian heulandite-Ca |
| Confirmation |
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|
| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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|
| Kamphaugite-(Y) | ⓘ1 photo of Heulandite-Ca associated with Kamphaugite-(Y) at this locality. |
| Helvine | ⓘ1 photo of Heulandite-Ca associated with Helvine at this locality. |
| Magnetite | ⓘ1 photo of Heulandite-Ca associated with Magnetite at this locality. |
| Data |
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|
| Mineral Data: | Click here to view Heulandite-Ca data |
| Locality Data: | Click here to view Hørtekollen, Sylling, Lier, Buskerud, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 367221 |
| Long-form Identifier: | 1:3:367221:1 |
| GUID (UUID V4): | 9038dcde-a35a-4925-b483-c3ef24ecb90e |
| Nearest other occurrences of Heulandite-Ca |
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| 10.5km (6.5 miles) | ⓘLierskogen Quarry, Lierskogen, Lier, Buskerud, Norway |
| 13.7km (8.5 miles) | ⓘVardåsen Tunnel, Asker, Viken, Norway |
| 21.1km (13.1 miles) | ⓘHaukåsen, Drammen, Buskerud, Norway |
| 28.5km (17.7 miles) | ⓘLauvtjern, Nedre Eiker, Drammen, Buskerud, Norway |
| 35.0km (21.7 miles) | ⓘHuken Quarry, Grorud, Oslo, Norway |
| 37.5km (23.3 miles) | ⓘBjønndalen Quarry, Nittedal, Viken, Norway |
| 39.4km (24.5 miles) | ⓘAnna Sophie Mines, Svene, Flesberg, Buskerud, Norway |
| 39.5km (24.5 miles) | ⓘFiskeløs prospect, Øvre Eiker, Buskerud, Norway |
| 44.5km (27.6 miles) | ⓘBjerkeli residental area, Botne, Holmestrand, Vestfold, Norway |
| 44.6km (27.7 miles) | ⓘRingnesgangen Mine, Vinoren Southern Mines, Vinoren Silver Mine Field, Flesberg, Buskerud, Norway |
| References |
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Hørtekollen, Sylling, Lier, Buskerud, Norway