| 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 Cuolm da Vi, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 551109 |
| Long-form Identifier: | 1:3:551109:9 |
| GUID (UUID V4): | 44de0cfd-819e-4242-87fe-41d56a9ab4b8 |
| Nearest other occurrences of Prehnite |
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| 3.0km (1.8 miles) | ⓘCaschlè, Val Strem, Tujetsch, Surselva Region, Grisons, Switzerland |
| 3.1km (1.9 miles) | ⓘPlauncas Calmut, Val Strem, Tujetsch, Surselva Region, Grisons, Switzerland |
| 6.1km (3.8 miles) | ⓘVal Giuv, Tujetsch, Surselva Region, Grisons, Switzerland |
| 9.3km (5.8 miles) | ⓘUpper Cavrein Alp, Gronda da Cavrein Valley, Russein Valley, Disentis, Surselva Region, Grisons, Switzerland |
| 10.5km (6.5 miles) | ⓘPiz Cuolmet, Gronda da Cavrein Valley, Russein Valley, Disentis, Surselva Region, Grisons, Switzerland |
| 10.9km (6.8 miles) | ⓘMuotta Naira (Muota Naira; Motta Naira; Muota Nera), Piz Lai Blau, Val Nalps, Tujetsch, Surselva Region, Grisons, Switzerland |
| 11.0km (6.8 miles) | ⓘVal Maighels, Tujetsch, Surselva Region, Grisons, Switzerland |
| 11.2km (7.0 miles) | ⓘTeif Valley, Meitschligen, Gurtnellen, Reuss Valley, Uri, Switzerland |
| 20.9km (13.0 miles) | ⓘGroßtal, Zumdorf, Hospental, Urseren, Uri, Switzerland |
| 21.0km (13.1 miles) | ⓘCampra, Acquacalda, 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) | | with secondary Ca-Al silicates such as epidote, prehnite or zeolites at low temperature (<250 C; e.g....zeolites: (1) epidote + quartz + H2O = laumontite + prehnite, at low-pressure end and epidote + chlorite +...metamorphic grade in the Aar- and Gotthard Massif region increases from subgreenschist facies in the north... x x Bergell * Cuolm da Vi Davos Drumtobel ⁄ Sedrun Misox OberalpstockTho Sedrun Sella ⁄ Gotthard Stgegia...Canton (Swiss districts: BE, Bern; GL, Glarus; GR, Grisons; TI, Ticino; UR, Uri; VS, Valais). Major associated |  | | Book (volume) | | Cap. II - La composizione dei minerali. 19 Cap. VI - Identifi.cazione dei minerali .. 71 Abbondanza...- Minerali radioattivi Cap. Cap. Cap. Cap. Cap. VI XXI XXII XXIlI XXIV XXV - PARTE TERZA ITINERARI...recente, formata in prevalenza da plagioclasi e pirosseni. botriodale, formate da aggregati di sferette lisce...tondeggianti. ture cristalline sono assai vicine tra loro, da permet tere l'esistenza di una vasta serie di minerali...tre meno caratteristiche. calcare, roccia formata da carbonate di calcio, piu o meno puro. melafiro, |  | | 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...clefts are found fairly commonly throughout this region, such that only a handful of notable finds during |
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