| Locality type: | Valley |
| Classification |
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| Species: | Quartz var: Amethyst |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Data |
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| Mineral Data: | Click here to view Amethyst data |
| Locality Data: | Click here to view Calvarida Valley, Osilo, Sassari Province, Sardinia, Italy |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 877019 |
| Long-form Identifier: | 1:3:877019:6 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Amethyst |
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| 3.5km (2.2 miles) | ⓘCapurru Quarry, Osilo, Sassari Province, Sardinia, Italy |
| 5.2km (3.2 miles) | ⓘCrastu Muradu Quarry, Osilo, Sassari Province, Sardinia, Italy |
| 9.4km (5.9 miles) | ⓘFuntanedda Ulumu Quarry, Ploaghe, Sassari Province, Sardinia, Italy |
| References |
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Calvarida Valley, Osilo, Sassari Province, Sardinia, Italy