Mineralienatlas - Fossilienatlas
Voltaite (Voltait) |
Pictures (16 Images total)
Views (File: ): 3926
Voltait Bildbreite: 0,8 mm; Fundort: Rio Tinto Bergbaugebiet, Huelva, Andalusien, Spanien Copyright: Christian Rewitzer; Contribution: Hg Location: Spanien/Andalusien (Andalucía)/Huelva, Provinz/Cuenca Minera/Minas de Riotinto Mineral: Voltaite Image: 1246097374 Rating: 9.5 (votes: 2) License: Usage for Mineralienatlas project only |
Voltait |
Bildbreite: 0,8 mm; Fundort: Rio Tinto Bergbaugebiet, Huelva, Andalusien, Spanien |
Copyright: | Christian Rewitzer |
Contribution: Hg 2009-06-27 |
Locality: Minas de Riotinto / Cuenca Minera / Huelva, Provinz / Andalusien (Andalucía) / Spanien |
Views (File: ): 568
Voltait xx mit Alunogen xx und Halotrichit xx von Meggen/Westfalen, D; Bildbreite 3,8 mm Copyright: Haubi; Contribution: Haubi Collection: Haubi Location: Deutschland/Nordrhein-Westfalen/Arnsberg, Bezirk/Olpe, Kreis/Lennestadt/Meggen Mineral: Voltaite Image: 1592558623 Rating: 10 (votes: 1) License: Usage for Mineralienatlas project only |
Voltait xx |
mit Alunogen xx und Halotrichit xx von Meggen/Westfalen, D; Bildbreite 3,8 mm |
Collection: | Haubi |
Copyright: | Haubi |
Contribution: Haubi 2020-06-19 |
Locality: Meggen / Lennestadt / Olpe, Kreis / Arnsberg, Bezirk / Nordrhein-Westfalen / Deutschland |
Views (File: ): 944
Oktaedrischer Voltait mit Halotrichit Deutschland/Nordrhein-Westfalen/Arnsberg, Bezirk/Olpe, Kreis/Lennestadt/Meggen, BB = 9,5 mm Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter Collection: Lithothek der Münchener Micromounter, Collection number: A042098, Donator: Rudolf Berrenrath Location: Deutschland/Nordrhein-Westfalen/Arnsberg, Bezirk/Olpe, Kreis/Lennestadt/Meggen Mineral: Voltaite Image: 1574931970 Rating: 9 (votes: 1) License: Usage for Mineralienatlas project only |
Oktaedrischer Voltait mit Halotrichit (SNr: A042098) |
Deutschland/Nordrhein-Westfalen/Arnsberg, Bezirk/Olpe, Kreis/Lennestadt/Meggen, BB = 9,5 mm |
Collection: | Lithothek der Münchener Micromounter |
Copyright: | Hannes Osterhammer |
Contribution: Münchener Micromounter 2019-11-28 |
Locality: Meggen / Lennestadt / Olpe, Kreis / Arnsberg, Bezirk / Nordrhein-Westfalen / Deutschland |
Views (File: ): 1348
Voltait Voltait, Fundort: Halde Anna 1, Alsdorf Copyright: Maurice de Graaf; Contribution: bardenoki Location: Deutschland/Nordrhein-Westfalen/Köln, Bezirk/Aachen, Städteregion/Alsdorf/Anna Mineral: Voltaite Image: 1146079866 Rating: 8 (votes: 1) License: Usage for Mineralienatlas project only |
Voltait |
Voltait, Fundort: Halde Anna 1, Alsdorf |
Copyright: | Maurice de Graaf |
Contribution: bardenoki 2006-04-26 |
Locality: Anna / Alsdorf / Aachen, Städteregion / Köln, Bezirk / Nordrhein-Westfalen / Deutschland |
Views (File: ): 1980
Halotrichit auf Voltait ![]() Fundort: Rio Tinto Bergbaugebiet, Huelva, Andalusien, Spanien Copyright: Alan Goldstein; Contribution: Stefan Collection: Alan Goldstein Location: Spanien/Andalusien (Andalucía)/Huelva, Provinz/Cuenca Minera/Minas de Riotinto Mineral: Halotrichite, Voltaite Image: 1196588120 Rating: 6 (votes: 2) License: Usage for Mineralienatlas project only |
Halotrichit auf Voltait ![]() |
Fundort: Rio Tinto Bergbaugebiet, Huelva, Andalusien, Spanien |
Collection: | Alan Goldstein |
Copyright: | Alan Goldstein |
Contribution: Stefan 2007-12-02 |
Locality: Minas de Riotinto / Cuenca Minera / Huelva, Provinz / Andalusien (Andalucía) / Spanien |
Views (File: ): 1565
Voltait Bildbreite: 2 mm, Fundort: Alcaparrosa Mine, Cerritos Bayos, Calama, Provinz Antofagasta, Chile. Copyright: Luigi Chiappino; Contribution: thdun5 Location: Chile/Antofagasta, Region (II. Region)/El Loa, Provinz/Calama/Cerritos Bayos/Alcaparrosa Mine Mineral: Voltaite Image: 1271590119 Rating: 5.5 (votes: 2) License: Usage for Mineralienatlas project only |
Voltait |
Bildbreite: 2 mm, Fundort: Alcaparrosa Mine, Cerritos Bayos, Calama, Provinz Antofagasta, Chile. |
Copyright: | Luigi Chiappino |
Contribution: thdun5 2010-04-18 |
Locality: Alcaparrosa Mine / Cerritos Bayos / Calama / El Loa, Provinz / Antofagasta, Region (II. Region) / Chile |
Collectors Summary
Color | grünlich schwarz, dunkelgrün, olivgrün, schwarz |
Streak color | graulich grün |
Hardness (Mohs) | 2 |
Solubility | +++ H2O |
Crystal System | kubisch, Fd3c |
Morphology | kubisch |
Chemism
Chemical formula |
K2Fe2+5Fe3+3Al(SO4)12·18H2O |
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Chemical composition |
Aluminium, Eisen, Kalium, Sauerstoff, Schwefel, Wasserstoff |
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Analysis wt% |
K2O : 4.73, |
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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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29: Hydrated Acid and Sulfates |
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IMA status |
Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt |
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Mineral status |
anerkanntes Mineral |
IMA Classification
IMA Classification |
Voltaite group |
Optical Properties
grünlich schwarz, dunkelgrün, olivgrün, schwarz |
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graulich grün |
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opak |
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RI value α / ω / n |
1.600 |
Ri mean |
1.600 |
2V angle |
Isotropisch |
Optical Data Luminescence
keine Fluoreszenz bekannt |
Crystallography
Crystals 3D
Open larger view |
Crystal Structure 3D
Open larger view |
Physical Properties
2 |
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83 (ungefähre Angabe abgeleitet aus der Mohshärte) |
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2.6 - 2.8 / Durchschnittlich = 2.7 |
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2.626 ( ρ calc. Mineralienatlas ) |
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Instability |
+++ H2O |
(Co-)Type locality
(Co-)Type locality |
Italien/Kampanien (Campania), Region/Neapel, Provinz/Phlegräische Felder (Campi Flegrei)/Pozzuoli/Solfatara di Pozzuoli |
Preface
Name from |
Alessandro Volta, dem italienischen Physiker und einer der Begründer der Elektrizitätslehre. |
Author (Name, Year) |
Arcangelo Scacchi, 1841 |
External links
References
Handbook of Mineralogy (Anthony et al.), 5 (2003), 741 Mereiter K (1972) Die kristallstruktur des voltaits, K2Fe52+Fe33+Al[SO4]12·18H2O, Tschermaks Mineralogische und Petrographische Mitteilungen, 18, 185-202 Sabron P, Alpers C N (2013) Raman spectroscopy of efflorescent sulfate salts from Iron Mountain Mine Superfund Site, California, Astrobiology, 13, 270-278 Rossi M, Rizzi R, Vergara A, Capitelli F, Altomare A, Bellatreccia F, Saviano M, Ghiara R M (2017) Compositional variation of turquoise-group minerals from the historical collection of the Real Museo Mineralogico of the University of Naples, Mineralogical Magazine, 81, 1405-1429 Košek F, Edwards H G M, Jehlička J (2019) Raman spectroscopic vibrational analysis of the complex iron sulfates clairite, metavoltine, and voltaite from the burning coal dump Anna I, Alsdorf, Germany, Journal of Raman Spectroscopy, 50, 1-8 American Mineralogist 105 (2020), 1088 Antologia di Scienze Naturali di Napoli1 (1841), 67 |
IMA group assignments
Refresh list | Actuality: 20. Mar 2023 - 16:18:58 |
Other languages
German |
Voltait |
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English |
Voltaite |
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French |
Voltaite |
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Spanish |
Voltaíta |
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Russian |
Вольтаит |
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Simplified Chinese |
绿钾铁矾 |
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Japanese |
モンスメダイト |
Alternative Name
Italian |
Monsmedita |
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Monsmedite |
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Pettkoite |
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Simplified Chinese |
水钾铊矾 |
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Japanese |
ボルタ石 |
CNMNC symbol
Symbol |
Vlt |
Automatic Links to external internet sources (Responsibility is with the operator)
German pages |
DeWikiPedia - search for: Voltait Google-Bilder-Suche - search for: Voltait Mineralienatlas.de (Forum) - search for: Voltait |
English pages |
RRUFF - References and PDF downloads - search for: Voltaite American-Mineralogist-Crystal-Structure-Database - search for: Voltaite Mindat - search for: Voltaite Webmineral - search for: Voltaite Handbook-of-Mineralogy - search for: Voltaite RRUFF - Raman, XRD and other mineral data - search for: Voltaite Strahlen.org - search for: Voltaite |
Russian pages |
Webmineral.ru - search for: Вольтаит |
Mineral Dealer
German pages |
hausen - Mineral Wholesale - search for: Voltait Crystal-Treasure.com - search for: Voltait Bosse - Minerals and accessories - search for: Voltait Edelsteine Neuburg - Gundolf Fischer - search for: Voltait Geolitho Marketplace, by and for collectors - search for: Voltait |
Locations with GPS information