| Locality type: | Valley |
| Classification |
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| Species: | Prehnite |
| Formula: | Ca2Al2Si3O10(OH)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Prehnite data |
| Locality Data: | Click here to view Val Maighels, Tujetsch, Surselva Region, Grisons, Switzerland |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 551117 |
| Long-form Identifier: | 1:3:551117:4 |
| GUID (UUID V4): | f2480ecf-5074-4b8c-8e89-464c13a3ce25 |
| Nearest other occurrences of Prehnite |
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| 6.3km (3.9 miles) | ⓘMuotta Naira (Muota Naira; Motta Naira; Muota Nera), Piz Lai Blau, Val Nalps, Tujetsch, Surselva Region, Grisons, Switzerland |
| 7.5km (4.7 miles) | ⓘVal Giuv, Tujetsch, Surselva Region, Grisons, Switzerland |
| 9.9km (6.1 miles) | ⓘCaschlè, Val Strem, Tujetsch, Surselva Region, Grisons, Switzerland |
| 11.0km (6.8 miles) | ⓘCuolm da Vi, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland |
| 11.3km (7.0 miles) | ⓘGroßtal, Zumdorf, Hospental, Urseren, Uri, Switzerland |
| 12.3km (7.6 miles) | ⓘPlauncas Calmut, Val Strem, Tujetsch, Surselva Region, Grisons, Switzerland |
| 14.0km (8.7 miles) | ⓘTeif Valley, Meitschligen, Gurtnellen, Reuss Valley, Uri, Switzerland |
| 18.4km (11.5 miles) | ⓘCampra, Acquacalda, Santa Maria Valley, Blenio Valley, Blenio, Ticino, Switzerland |
| 19.1km (11.8 miles) | ⓘNarèt pass, Narèt area, Sambuco Valley, Lavizzara, Vallemaggia, Ticino, Switzerland |
| 19.4km (12.0 miles) | ⓘCamperio, Santa Maria Valley, Blenio Valley, Blenio, Ticino, Switzerland |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | the Orford nickel mine, St.-Denisde-Brompton, Le Val-Saint-François, MRC, Québec. The specimens from the...(below left). Clear dodecahedra of grossular with prehnite, 7 × 6 cm, from the Jeffrey mine, Québec, Canada...include aegirine, allanite, calcite, epidote, prehnite, titanite, and microcline (Horváth and Gault 1990)...may be associated with diopside, quartz, augite, prehnite, and laumontite. It has been a long time since...Every major museum in the world has specimens from Val (also spelled Valle) d’Aosta and Piemonte on display |  | | Book | | changes within the crust, covers a wide area, or region. The slaty texture is very marked in the epi- and...trapezohedron faces (cp. Fig. 17, p. 131) . Switzerland. Be/,;w Elongated prismatic crysffiis (cp. Fig...minor quantities with prehnite and zeolites in cavities in basalt. USA - with prehnite in nodules and large...cavities of Alpine type around the Gross Venediger. SWITZERLAND - Riffelberg near Zermatt. 77 ARGENTITE Ag...South-West Africa. &low Smoky ciuartz. Val Giuv, Switzerland. PLATE 15 Sea produced 'yellow copper' |  | | Book | | localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...(see this entry for Actinolite, Fluorapatite, Prehnite, Pumpellyite). Ilmenite was found in numerous...9: 1 (Gaines, 1971; Pimentel er al., 2009). SWITZERLAND Maderanertal east of Arnsteg, Uri. In the world...in numerous localities in Switzerland, it is only in the Maderanertal region of east-central Canton Uri...to Val Caverdiras; ilmenite rose-bearing clefts are found fairly commonly throughout this region, such |
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