| Locality type: | Prospect |
| Classification |
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| Species: | Allophane |
| Formula: | (Al2O3)(SiO2)1.3-2 · 2.5-3H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Malachite | 19 |
| Goethite | 8 |
| Marioantofilliite | 7 |
| Native Copper | 7 |
| Carbonatecyanotrichite | 5 |
| Felsőbányaite | 3 |
| Brochantite | 2 |
| Cuprite | 2 |
| Nordstrandite | 2 |
| Iron oxide | 1 |
| Langite | 1 |
| Data |
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| Mineral Data: | Click here to view Allophane data |
| Locality Data: | Click here to view Monte Copello-Reppia mine, Reppia, Ne, Genoa, Liguria, Italy |
| Photo Gallery | View Gallery (36 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 40332 |
| Long-form Identifier: | 1:3:40332:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Allophane |
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|
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| 3.0km (1.9 miles) | ⓘGambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy |
| 4.6km (2.8 miles) | ⓘMolinello Mine, Ne, Genoa, Liguria, Italy |
| 5.8km (3.6 miles) | ⓘCassagna Mine, Ne, Genoa, Liguria, Italy |
| 6.6km (4.1 miles) | ⓘNe, Genoa, Liguria, Italy |
| 9.1km (5.6 miles) | ⓘLibiola Mine, Sestri Levante, Genoa, Liguria, Italy |
| 13.2km (8.2 miles) | ⓘMt. Loreto mine, Castiglione Chiavarese, Genoa, Liguria, Italy |
| 28.4km (17.7 miles) | ⓘMonte Nero Mine, Rocchetta di Vara, La Spezia Province, Liguria, Italy |
| 48.5km (30.1 miles) | ⓘLagoscuro mine, Case Lagoscuro, Livellato, Ceranesi, Genoa, Liguria, Italy |
| 72.0km (44.8 miles) | ⓘRio Pian del Foco, Olbicella, Molare, Alessandria Province, Piedmont, Italy |
| References |
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Biagioni, C.; Sejkora, J.; Perchiazzi, N.; Mugnaioli, E.; Mauro, D.; Belmonte, D.; Škoda, R.; Dolnı́ček, Z. (2025) Marioantofilliite, [Cu₄Al₂(OH)₁₂](CO₃)·3H₂O, a new member of the hydrotalcite supergroup from Liguria (Italy). European Journal of Mineralogy, 37 (5). 733-746 doi:10.5194/ejm-37-733-2025 |
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Monte Copello-Reppia mine, Reppia, Ne, Genoa, Liguria, Italy