| Locality type: | Quarry |
| Classification |
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| Species: | Opal |
| Formula: | SiO2 · nH2O |
| Habit: | spherules |
| Colour: | white, light blue |
| Quality for species: | Good crystals or rich for species - important (!) |
| Abundance at site: | Common |
| Confirmation |
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|
| Validity: | Confirmed |
| Confirmation Methods: | XRD
SEM-EDS
Infrared Spectroscopy
Raman Spectroscopy |
| Associated Minerals: |
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| Associates: | Baryte
Calcite
Melanophlogite
Quartz
|
| Associated Minerals Based on Photo Data: |
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|
| Baryte | 2 |
| Calcite | 1 |
| Data |
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| Mineral Data: | Click here to view Opal data |
| Locality Data: | Click here to view Case Montanini quarry, Sant'Andrea Bagni, Medesano, Parma Province, Emilia-Romagna, Italy |
| Photo Gallery | View Gallery (32 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 266136 |
| Long-form Identifier: | 1:3:266136:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal |
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|
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| 0.8km (0.5 miles) | ⓘFaieto quarry, Sant'Andrea Bagni, Medesano, Parma Province, Emilia-Romagna, Italy |
| 27.5km (17.1 miles) | ⓘPerboni Q. 750, Corchia mine, Berceto, Parma Province, Emilia-Romagna, Italy |
| 28.1km (17.5 miles) | ⓘRio Bassi Stope, Corchia mine, Berceto, Parma Province, Emilia-Romagna, Italy |
| 58.1km (36.1 miles) | ⓘMonte Nero Mine, Rocchetta di Vara, La Spezia Province, Liguria, Italy |
| 62.0km (38.5 miles) | ⓘGambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy |
| 62.4km (38.7 miles) | ⓘCassagna Mine, Ne, Genoa, Liguria, Italy |
| 62.6km (38.9 miles) | ⓘMolinello Mine, Ne, Genoa, Liguria, Italy |
| 62.8km (39.0 miles) | ⓘNascio, Ne, Genoa, Liguria, Italy |
| 69.1km (42.9 miles) | ⓘSasso Cinturino, Villa Collemandina, Garfagnana, Lucca Province, Tuscany, Italy |
| 71.5km (44.4 miles) | ⓘLucchetti Quarry (Strinato B Quarry; Strinato Quarry), Fantiscritti, Miseglia quarrying basin (Miseglia-Fantiscritti quarrying basin; Fantiscritti quarrying basin), Carrara, Massa-Carrara Province, Tuscany, Italy |
| References |
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Case Montanini quarry, Sant'Andrea Bagni, Medesano, Parma Province, Emilia-Romagna, Italy