| Actinolite | |
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| Formula: | ☐{Ca2}{(Mg,Fe2+)5}(Si8O22)(OH)2 |
| Locality: | Magnetite mines, Comasine, Pejo Valley (Peio Valley), Sole Valley, Trento Province, Trentino-Alto Adige, Italy |
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| Almandine | |
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| Formula: | Fe2+3Al2(SiO4)3 |
| Locality: | Magnetite mines, Comasine, Pejo Valley (Peio Valley), Sole Valley, Trento Province, Trentino-Alto Adige, Italy |
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| Augite var: Fassaite | |
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| Locality: | Magnetite mines, Comasine, Pejo Valley (Peio Valley), Sole Valley, Trento Province, Trentino-Alto Adige, Italy |
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| Beryl | |
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| Formula: | Be3Al2(Si6O18) |
| Reference: | Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp. |
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| Chalcopyrite | |
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| Formula: | CuFeS2 |
| Locality: | Magnetite mines, Comasine, Pejo Valley (Peio Valley), Sole Valley, Trento Province, Trentino-Alto Adige, Italy |
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| Chrysoberyl | |
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| Formula: | BeAl2O4 |
| Reference: | Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp. |
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| Epidote | |
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| Formula: | {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH) |
| Locality: | Magnetite mines, Comasine, Pejo Valley (Peio Valley), Sole Valley, Trento Province, Trentino-Alto Adige, Italy |
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| 'Hornblende' | |
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| Locality: | Magnetite mines, Comasine, Pejo Valley (Peio Valley), Sole Valley, Trento Province, Trentino-Alto Adige, Italy |
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| Magnetite | |
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| Formula: | Fe2+Fe3+2O4 |
| Reference: | Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp. |
| Localities: | Recorded from at least 1 other locality in this region. |
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| Marcasite | |
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| Formula: | FeS2 |
| Locality: | Magnetite mines, Comasine, Pejo Valley (Peio Valley), Sole Valley, Trento Province, Trentino-Alto Adige, Italy |
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| Muscovite | |
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| Formula: | KAl2(AlSi3O10)(OH)2 |
| Locality: | Magnetite mines, Comasine, Pejo Valley (Peio Valley), Sole Valley, Trento Province, Trentino-Alto Adige, Italy |
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| Pyrite | |
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| Formula: | FeS2 |
| Locality: | Magnetite mines, Comasine, Pejo Valley (Peio Valley), Sole Valley, Trento Province, Trentino-Alto Adige, Italy |
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| Quartz |  |
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| Formula: | SiO2 |
| Locality: | Magnetite mines, Comasine, Pejo Valley (Peio Valley), Sole Valley, Trento Province, Trentino-Alto Adige, Italy |
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| Photo: © Simone Boscolo. Quartz from Pejo Valley, Sole Valley, Trento Province, Trentino-Alto Adige, Italy |
| Schorl | |
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| Formula: | Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH) |
| Reference: | Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp. |
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14 entries listed. 12 valid minerals.