Mineralienatlas - Fossilienatlas
Posnjakite |
Pictures (115 Images total)
Views (Image: 1233356331): 5711, Rating: 9.6 |
Posnjakit |
Bildbreite: 3 mm; Fundort: Grube Clara, Wolfach, Schwarzwald, Deutschland |
Copyright: | Stephan Wolfsried |
Contribution: Hg 2009-01-30 |
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland |
Views (Image: 1587750423): 1373, Rating: 9.56 |
Posnjakit |
FO: Grube Clara / Oberwolfach; BB 1 mm |
Copyright: | Halden-Joerg |
Contribution: Halden-Joerg 2020-04-24 |
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland |
Views (Image: 1117546046): 3348, Rating: 8.5 |
Posnjakit |
Bildbreite: 3 mm; Fundort: Grube Clara, Schwarzwald |
Copyright: | Stephan Wolfsried |
Contribution: JHM 2005-05-31 |
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland |
Views (Image: 1412085038): 1858 |
Posnjakit (SNr: A025762) |
Dünntafelige blaugrüne Kristalle, BB = 4,5 mm; Fundort: Fundpunkt 2, Castello della Marsiliana, Valpiana, Massa Marittima, Grosseto, Toskana, Italien. |
Collection: | Lithothek der Münchener Micromounter |
Copyright: | Bebo |
Contribution: Münchener Micromounter 2014-09-30 |
Locality: Fundpunkt 2 / Valpiana - Castello della Marsiliana / Massa Marittima / Grosseto, Provinz / Toskana (Toscana) / Italien |
Views (Image: 1588777756): 349 |
Posnjakit Halbstern (SNr: 2NEb6RteQOmk9ExdeKlT0w) |
Winziger Posnjakit als Halbstern neben Serpierit (nicht im Bild); Krughütte, Lutherstadt Eisleben, Mansfeld-Südharz, Sachsen-Anhalt, DE; Bildbreite ca. 0.6 mm; Mitutoyo 20x 0.41 an Raynox DCR 150 a... |
Collection: | horst knoll |
Copyright: | Stefan |
Contribution: Stefan 2020-05-06 |
Locality: Krughütte / Lutherstadt Eisleben / Mansfeld-Südharz, Landkreis / Sachsen-Anhalt / Deutschland |
Views (Image: 1233356280): 2675, Rating: 8 |
Posnjakit |
Bildbreite: 3 mm; Fundort: Grube Clara, Wolfach, Schwarzwald, Deutschland |
Copyright: | Stephan Wolfsried |
Contribution: Hg 2009-01-30 |
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland |
Collectors Summary
Color | blau, dunkelblau |
Streak color | grünlich blau |
Hardness (Mohs) | 2.5 |
Solubility | +++ Säuren, - NH4OH |
Crystal System | monoklin, Pa |
Additional information / Summary
Verwechslungsmöglichkeit mit den anderen Mitgliedern der Langit-Gruppe (nach Strunz), >Langit und >Wroewolfeit. In ihrer chemischen Zusammensetzung sind diese drei Mineralien z.B. per EDX-Analyse nicht unterscheidbar. Posnjakit weist zwar ein H2O weniger pro Formeleinheit auf, was aber mit üblichen Mittel nicht nachweisbar ist. Diese drei Mineralien bilden zudem ähnliche Kristallformen aus. Für eine detailiertere Beschreibung hinsichtlich der Unterscheidbarkeit der Kristallformen von Langit und Posnjakit siehe auch: |
Chemism
Chemical formula |
Cu4(SO4)(OH)6·H2O |
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Chemical composition |
Kupfer, Sauerstoff, Schwefel, Wasserstoff |
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Strunz 9th edition incl. updates |
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7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate) |
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Lapis Classification |
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VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE |
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Classification by Hölzel |
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7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES |
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Dana 8th edition |
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31: Hydrated Sulfates Containing Hydroxyl or Halogen |
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IMA status |
Anerkannt von der CNMNC |
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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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3.4 |
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3.327 ( ρ calc. Mineralienatlas ) |
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Instability |
+++ Säuren, - NH4OH |
(Co-)Type locality
(Co-)Type locality |
Preface
Author (Name, Year) |
Komkov & Nefedov, 1967 |
Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]
Cu4(SO4)(OH)6·2H2O monoklin : m : Pc |
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(Zn,Co,Ni)6(SO4)(OH,Cl)10·5H2O |
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Cu4(SO4)(OH)6·H2O monoklin : m : Pa |
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Cu4(SO4)(OH)6·2H2O monoklin : m : Pc |
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(Cu,Zn)7(SO4,CO3)2(OH)10·3H2O trigonal : 3, 3 : P3, P3 |
Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]
Cu6(SO4)(OH)10·2 H2O orthorhombisch : mm2 : Cmc21 |
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Cu6(OH)10(SO4)·H2O monoklin : 2/m : P21/c |
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Cu4(SO4)(OH)6·H2O monoklin : m : Pa |
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Cu4(SO4)(OH)6·2H2O monoklin : m : Pc |
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Cu4(SO4)(OH)6·2H2O monoklin : m : Pc |
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(Zn,Cu)4(SO4)(OH)6·4H2O trigonal : 3 : P3 |
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Zn4SO4(OH)6·5H2O triklin : 1 : P1 |
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(Zn,Co,Ni)6(SO4)(OH,Cl)10·5H2O |
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NaCo4(SO4)(OH)6Cl·6H2O trigonal : 3 : P3 |
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(Cu,Zn)7(SO4,CO3)2(OH)10·3H2O trigonal : 3, 3 : P3, P3 |
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Zn3Cu2[(OH)6|(SO4)2]·4H2O triklin : 1 : P1 |
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ZnCu4(SO4)2(OH)6·6H2O monoklin : 2/m : P21/c |
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(Cu,Zn)15(SO4)4(OH)22·6H2O monoklin : 2/m : P21/a |
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Cu8(SO4)4(CO3)(OH)6·48H2O |
Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]
Cu4(SO4)(OH)6·2H2O monoklin : m : Pc |
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Cu4(SO4)(OH)6·H2O monoklin : m : Pa |
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Cu4(SO4)(OH)6·2H2O monoklin : m : Pc |
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Zn4(SO4)(OH)6·3H2O triklin : 1 : P1 |
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(Zn,Cu)4(SO4)(OH)6·4H2O trigonal : 3 : P3 |
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Zn4SO4(OH)6·5H2O triklin : 1 : P1 |
Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]
Cu4(SO4)(OH)6·H2O monoklin : m : Pa |
31.04.01.01 | |
Cu4(SO4)(OH)6·2H2O monoklin : m : Pc |
31.04.02.01 | |
Cu4(SO4)(OH)6·2H2O monoklin : m : Pc |
31.04.03.01 | |
Al4(SO4)(OH)10·4H2O monoklin : 2 : P21 |
31.04.04.01 | |
Al4(SO4)(OH)10·15H2O |
31.04.06.01 | |
(Zn,Cu)4(SO4)(OH)6·4H2O trigonal : 3 : P3 |
31.04.07.01 | |
NaZn5Al3[(OH)16|(SO4)2]·6H2O trigonal : 3 : P3 |
31.04.08.02 | |
(Cu,Zn)15(SO4)4(OH)22·6H2O monoklin : 2/m : P21/a |
31.04.09.01 |
Other languages
German |
Posnjakit |
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Spanish |
Posnjakita |
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English |
Posnjakite |
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French |
Posnjakite |
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Russian |
Познякит |
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Simplified Chinese |
一水蓝铜矾 |
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Traditional Chinese |
一水藍銅礬 |
Alternative Name
Simplified Chinese |
一水兰铜矾 |
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Traditional Chinese |
一水蘭銅礬 |
IMA Number
IMA 1967-001 |
Automatic Links to external internet sources (Responsibility is with the operator)
German pages |
DeWikiPedia - search for: Posnjakit Google-Bilder-Suche - search for: Posnjakit Mineralogisch-Petrographisches-Institut Hamburg - search for: Posnjakit |
English pages |
Mindat - search for: Posnjakite Webmineral - search for:Posnjakite Handbook-of-Mineralogy - search for: Posnjakite RRUFF - Raman, XRD and other mineral data - search for: Posnjakite RRUFF - References and PDF downloads - search for: Posnjakite American-Mineralogist-Crystal-Structure-Database - search for: Posnjakite Athena - search for: Posnjakite |
Russian pages |
Webmineral.ru - search for: Познякит |
Mineral Dealer
German pages |
hausen - Mineralgroßhandel - search for: Posnjakit Crystal-Treasure.com - search for: Posnjakit Bosse - search for: Posnjakit |
Locations with GPS information