| Classification |
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| Species: | Orthoclase |
| Formula: | K(AlSi3O8) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Orthoclase data |
| Locality Data: | Click here to view Roccapietra, Varallo Sesia, Vercelli Province, Piedmont, Italy |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 540090 |
| Long-form Identifier: | 1:3:540090:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Orthoclase |
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| 8.0km (4.9 miles) | ⓘAlzo, Pella, Novara Province, Piedmont, Italy |
| 15.5km (9.7 miles) | ⓘGiacomini Quarry (Diverio Quarry; Bottigetto Quarry), Agrano, Omegna, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 20.1km (12.5 miles) | ⓘCacciano Mine, Curino, Biella Province, Piedmont, Italy |
| 20.4km (12.7 miles) | ⓘCirla Quarry (Monte Camoscio Quarry; Camoscio Quarry), Feriolo, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 20.9km (13.0 miles) | ⓘLocatelli quarry, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 21.2km (13.2 miles) | ⓘSeula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 21.8km (13.5 miles) | ⓘMont'Orfano (Montorfano), Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 29.5km (18.3 miles) | ⓘOropa, Biella, Biella Province, Piedmont, Italy |
| 30.6km (19.0 miles) | ⓘBeura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 32.4km (20.1 miles) | ⓘI Mondei (Ca' Mondei), Montescheno, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| References |
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