| Locality type: | Mine |
| Classification |
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| Species: | Birnessite |
| Formula: | (Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Manganberzeliite | ⓘ2 photos of Birnessite associated with Manganberzeliite at this locality. |
| Data |
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| Mineral Data: | Click here to view Birnessite data |
| Locality Data: | Click here to view Varenche Mine, Saint-Barthélemy, Nus, Aosta Valley, Italy |
| Photo Gallery | View Gallery (3 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 346374 |
| Long-form Identifier: | 1:3:346374:1 |
| GUID (UUID V4): | 0d04ec6a-4538-4774-8ac7-9486e15f98c2 |
| Nearest other occurrences of Birnessite |
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| 12.6km (7.8 miles) | ⓘPraborna Mine, Saint-Marcel, Aosta Valley, Italy |
| 45.6km (28.4 miles) | ⓘPipji glacier, Pipjitälli, Turtmann Valley, Turtmann-Unterems, Leuk, Valais, Switzerland |
| 52.8km (32.8 miles) | ⓘLadant, Voragno, Ceres, Metropolitan City of Turin, Piedmont, Italy |
| References |
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• Barresi, A.A., Kolitsch, U., Ciriotti, M.E., Ambrino, P., Bracco, R., Bonacina, E. (2005): La miniera di manganese di Varenche (Aosta, Italia nord-occidentale): ardennite, arseniopleite, manganberzeliite, pirofanite, sarkinite, thortveitite, nuovo As-Sc-analogo della metavariscite e altre specie. Micro (località), 2/2005, 81-122. |
| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | 1431–1437 Magnesio-riebeckite from the Varenche mine (Aosta Valley, Italy): crystal-chemical characterization...Pavia, Italy Centro Grandi Strumenti, Università di Pavia, via Bassi 21, I-27100 Pavia, Italy Department...Italiana, via San Pietro 55, I-10073 Devesi-Cirié, Italy [Received 2 January 2017; Accepted 6 February 2017;...abandoned mine of Varenche (45°47’22’’ N, 7°29’17’’ E), Saint-Barthélemy, Nus, Aosta Valley (Italy), was...pattern, crystal-structure refinement, Varenche mine, Italy. Introduction THE name ‘riebeckite’ was |  | | Book (volume) | | Lavrion, Greece (6) and Cu-poor adamite from Ojuela mine, Mexico (7) IR spectra of acid salts (silicates...MgB6O7(OH)6·2H2O Locality: Chelkar salt dome, Aksai Valley, Aktobe region, Kazakhstan (type locality). Description:...MgB6O7(OH)6·2H2O Locality: Chelkar salt dome, Aksai Valley, Aktobe region, Kazakhstan (type locality). Description:...Arsenato-Borates Sussexite 29 Mn2+BO2(OH) Locality: Gonzen mine, Sargans, St. Gallen, Switzerland. Description:...Sr2[B5O8(OH)]2B(OH)3·H2O Locality: Billie mine, Death Valley, California, USA. Description: White platelets |
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Varenche Mine, Saint-Barthélemy, Nus, Aosta Valley, Italy