| Locality type: | Municipality |
| Classification |
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| Species: | Hollandite |
| Formula: | Ba(Mn64+Mn23+)O16 |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Cryptomelane | ⓘ3 photos of Hollandite associated with Cryptomelane at this locality. |
| Data |
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| Mineral Data: | Click here to view Hollandite data |
| Locality Data: | Click here to view Poniklá, Semily District, Liberec Region, Czech Republic |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 949486 |
| Long-form Identifier: | 1:3:949486:2 |
| GUID (UUID V4): | 48cacb0a-11a9-4e59-ae5c-09293cd88753 |
| Nearest other occurrences of Hollandite |
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| 60.4km (37.6 miles) | ⓘChełmiec mine, Chełmiec, Gmina Męcinka, Jawor County, Lower Silesian Voivodeship, Poland |
| 77.3km (48.0 miles) | ⓘUnnamed mine, Przygórze, Gmina Nowa Ruda, Kłodzko County, Lower Silesian Voivodeship, Poland |
| 95.8km (59.5 miles) | ⓘSzklary nickel deposit, Szklary, Gmina Ząbkowice Śląskie, Ząbkowice Śląskie County, Lower Silesian Voivodeship, Poland |
| 96.1km (59.7 miles) | ⓘMt. Szklana Mine (Szklary pegmatite), Szklary, Gmina Ząbkowice Śląskie, Ząbkowice Śląskie County, Lower Silesian Voivodeship, Poland |
| References |
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Jirásek, J., Matýsek, D., Vaculíková, L., Sivek, M.: Hollandit a kryptomelan z Poniklé u Jilemnice, Česká republika. Bulletin mineralogicko-petrologického oddělení Národního muzea v Praze, 2015, vol. 23, č. 1, s. 103-108. |
| Reference Search (possible matching items) |
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 | Jirásek, Jakub, Matýsek, Dalibor, Vaculíková, Lenka, Sivek, Martin (2015) Hollandit a kryptomelan z Poniklé u Jilemnice, Česká republika [Hollandite and cryptomelane from Poniklá near Jilemnice, Czech Republic]. Bulletin mineralogicko-petrologického oddělení Národního muzea v Praze, 23 (1) 103-108 | Journal (article/letter/editorial) | | Česká republika Hollandite and cryptomelane from Poniklá near Jilemnice, Czech Republic Jakub Jirásek1)*...Abstract At historical iron ore mining site near Poniklá, famous for natrodufrénite occurence, were described...minerals from the coronadite group (hollandite supergroup) - hollandite and cryptomelane. They are present...mostly up to 10 cm2. Submicroscopic layers of hollandite are alternating with the same of cryptomelane...minor admixture of Ca2+, Sr2+ a Fe3+, in case of hollandite also K+. We believe that these minerals were |  | Jirásek, Jakub, Matýsek, Dalibor, Minaříková, Aneta (2017) Oxidické minerály manganu: vymezení, krystalové struktury, identifikace a výskyt na území České republiky [Oxide manganese minerals: definition, crystal structures, identification, and occurence in the territory of the Czech Republic]. Bulletin Mineralogie Petrologie, 25 (1) 55-68 | Journal (article/letter/editorial) | | identification, and occurence in the territory of the Czech Republic Jakub Jirásek1)*, Dalibor Matýsek2) a Aneta...minerals before 1960 in the territory of the Czech Republic. Critical review of both published and unpublished...that manganese oxide minerals are abundant at the Czech territory, but vast majority was described under...asbolane - 2, birnessite - 2, cesàrolite - 1, hollandite - 11, cryptomelane - 13, lithiophorite - 5, manganite... Key words: manganese, oxides, mineralogy, Czech Republic Obdrženo: 23. 2. 2017; přijato 31. 7. 2017 |
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Poniklá, Semily District, Liberec Region, Czech Republic