| Locality type: | Mine |
| Classification |
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| Species: | Montmorillonite |
| Formula: | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| Comments: | May be kaolinite. Described as steinmark by Weibye (1848) |
| Confirmation |
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| Validity: | Unconfirmed/Questioned |
| Data |
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| Mineral Data: | Click here to view Montmorillonite data |
| Locality Data: | Click here to view Langsæv Mine, Steinsås, Barbudalen, Arendal, Agder, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1029444 |
| Long-form Identifier: | 1:3:1029444:0 |
| GUID (UUID V4): | 7f650362-fc26-4567-a465-5c5590ec2bc7 |
| Nearest other occurrences of Montmorillonite |
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| 9.3km (5.8 miles) | ⓘKleggåsen Ruby Quarry, Froland, Agder, Norway |
| 54.3km (33.7 miles) | ⓘLandsverk 1 Feldspar Quarry (Jokeli), Landsverk, Evje og Hornnes, Agder, Norway |
| 59.6km (37.0 miles) | ⓘValberg Quarry, Valberg, Kragerø, Telemark, Norway |
| 71.3km (44.3 miles) | ⓘHamre Copper Mine, Bygland, Agder, Norway |
| 84.3km (52.4 miles) | ⓘParadisbukta, Store Arøya (Arøy), Larvik, Vestfold, Norway |
| 86.0km (53.4 miles) | ⓘThe Thorite Hole, Løvøya, Porsgrunn, Telemark, Norway |
| 87.1km (54.1 miles) | ⓘDragehullet, Torsberg, Flakvarp, Skien, Telemark, Norway |
| 88.5km (55.0 miles) | ⓘSagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway |
| 89.1km (55.4 miles) | ⓘJohs Nilsens Quarry, Tvedalen, Larvik, Vestfold, Norway |
| 89.1km (55.4 miles) | ⓘTorbjørnsås Quarry, Auenlandet, Porsgrunn, Telemark, Norway |
| References |
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