Mineralienatlas - Fossilienatlas
Birnessite (Birnessit) |
Pictures (5 Images total)
Views (File: ): 4675
Leukophan, Birnessit Leukophan auf Birnessit pseudomorph nach Serandit; Größe: 62x35 mm; Fundort: Poudrette Quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada Copyright: Rock Currier; Contribution: slugslayer Collection: B. Baudin Location: Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) Mineral: Birnessite, Leucophanite Image: 1312924508 Rating: 7 (votes: 3) License: Usage for Mineralienatlas project only |
Leukophan, Birnessit |
Leukophan auf Birnessit pseudomorph nach Serandit; Größe: 62x35 mm; Fundort: Poudrette Quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada |
Collection: | B. Baudin |
Copyright: | Rock Currier |
Contribution: slugslayer 2011-08-09 |
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada |
Views (File: ): 4432
Birnessit Kugelige schwarze Kristalle, BB = 4,8 mm, Fundort: Grube Clara, Wolfach, Schwarzwald, Deutschland. Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter Collection: Lithothek der Münchener Micromounter, Collection number: A026266, Donator: Manfred Früchtl Location: Deutschland/Baden-Württemberg/Freiburg, Bezirk/Ortenaukreis/Oberwolfach/Grube Clara Mineral: Birnessite Image: 1364296577 Rating: 6.5 (votes: 2) License: Usage for Mineralienatlas project only |
Birnessit (SNr: A026266) |
Kugelige schwarze Kristalle, BB = 4,8 mm, Fundort: Grube Clara, Wolfach, Schwarzwald, Deutschland. |
Collection: | Lithothek der Münchener Micromounter |
Copyright: | Hannes Osterhammer |
Contribution: Münchener Micromounter 2013-03-26 |
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland |
Views (File: ): 115
Birnessit ![]() Birnessit vom Kunkskopf in der Eifel. Größe des Stückes etwa 36 mm x 26 mm. Copyright: Klaus Schäfer; Contribution: Klaus Schäfer Collection: Klaus Schäfer, Collection number: E-KK-Birn-3-1-1 Location: Deutschland/Rheinland-Pfalz/Ahrweiler, Landkreis/Brohltal, Verbandsgem./Wassenach/Kunkskopf Mineral: Birnessite Image: 1651130539 License: Usage for Mineralienatlas project only |
Birnessit (SNr: E-KK-Birn-3-1-1) ![]() |
Birnessit vom Kunkskopf in der Eifel. Größe des Stückes etwa 36 mm x 26 mm. |
Collection: | Klaus Schäfer |
Copyright: | Klaus Schäfer |
Contribution: Klaus Schäfer 2022-04-28 |
Locality: Kunkskopf / Wassenach / Brohltal, Verbandsgem. / Ahrweiler, Landkreis / Rheinland-Pfalz / Deutschland |
Views (File: ): 29
Birnessit Grube Clara, Oberwolfach; Bb 2,8 mm; Teil des Originalmaterials von Mader; Von Prof. Walenta bestimmt; Tauschmaterial von Broschek. Copyright: Guy Heinen; Contribution: guyhein Collection: Guy Heinen Location: Deutschland/Baden-Württemberg/Freiburg, Bezirk/Ortenaukreis/Oberwolfach/Grube Clara Mineral: Birnessite Image: 1670840454 License: Usage for Mineralienatlas project only |
Birnessit |
Grube Clara, Oberwolfach; Bb 2,8 mm; Teil des Originalmaterials von Mader; Von Prof. Walenta bestimmt; Tauschmaterial von Broschek. |
Collection: | Guy Heinen |
Copyright: | Guy Heinen |
Contribution: guyhein 2022-12-12 |
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland |
Views (File: ): 1082
Birnessit Birnessit; Kunkskopf,Eifel; BB: 2 mm Copyright: Rockhounder; Contribution: Rockhounder Collection: Rockhounder Location: Deutschland/Rheinland-Pfalz/Ahrweiler, Landkreis/Brohltal, Verbandsgem./Wassenach/Kunkskopf Mineral: Birnessite Image: 1587384001 Rating: 1 (votes: 1) License: Usage for Mineralienatlas project only |
Birnessit |
Birnessit; Kunkskopf,Eifel; BB: 2 mm |
Collection: | Rockhounder |
Copyright: | Rockhounder |
Contribution: Rockhounder 2020-04-20 |
Locality: Kunkskopf / Wassenach / Brohltal, Verbandsgem. / Ahrweiler, Landkreis / Rheinland-Pfalz / Deutschland |
Collectors Summary
Color | dunkelbraun, schwarz |
Hardness (Mohs) | 2.5 |
Solubility | +++ HCl |
Crystal System | monoklin, C2/m |
Additional information / Summary
In verschiedenen Veröffentlichungen wird Birnessit als monoklin (1990)[1] hexagonal (2001)[2] trigonal (2009)[3]angegeben. |
Chemism
Chemical formula |
(Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O |
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Chemical composition |
Calcium, Mangan, Natrium, Kalium, Sauerstoff, Wasserstoff |
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Strunz 9th edition incl. updates |
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4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate) |
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Lapis Classification |
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IV: OXIDE |
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Classification by Hölzel |
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4: OXIDES |
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Dana 8th edition |
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07: Multiple Oxides |
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IMA status |
Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt |
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Mineral status |
anerkanntes Mineral |
Optical Properties
Crystallography
Crystals 3D
Open larger view |
Crystal Structure 3D
Open larger view |
Physical Properties
2.5 |
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53 (ungefähre Angabe abgeleitet aus der Mohshärte) |
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3.377 (berechnet), 3 (gemessen) |
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3.448 ( ρ calc. Mineralienatlas ) |
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Instability |
+++ HCl |
(Co-)Type locality
(Co-)Type locality |
Preface
Author (Name, Year) |
Jones & Milne, 1956 |
References
Other languages
German |
Birnessit |
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Spanish |
Birnessita |
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French |
Birnessite |
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English |
Birnessite |
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Russian |
Бернессит |
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Russian |
Бёрнессит |
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Simplified Chinese |
水钠锰矿 |
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Japanese |
バーネス鉱 |
Alternative Name
Manganous Manganite |
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delta-MnO2 |
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δ-MnO2 |
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Japanese |
バーネス鉱 |
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Simplified Chinese |
钠水锰矿 |
CNMNC symbol
Symbol |
Bir |
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