Mineralienatlas - Fossilienatlas
Alum-(K) (Kali-Alaun) |
Pictures (4 Images total)
Views (File: ): 3226
Kalialaun BB-5 mm Deutschland/Nordrhein-Westfalen/Arnsberg, Bezirk/Märkischer Kreis/Iserlohn/Letmathe/Genna Zinkhütte Copyright: derhesse; Contribution: anatase2 Collection: anatase2 Location: Deutschland/Nordrhein-Westfalen/Arnsberg, Bezirk/Märkischer Kreis/Iserlohn/Letmathe/Genna Zinkhütte Mineral: Alum-(K) Image: 1526660971 Rating: 9 (votes: 1) License: Usage for Mineralienatlas project only |
Kalialaun |
BB-5 mm Deutschland/Nordrhein-Westfalen/Arnsberg, Bezirk/Märkischer Kreis/Iserlohn/Letmathe/Genna Zinkhütte |
Collection: | anatase2 |
Copyright: | derhesse |
Contribution: anatase2 2018-05-18 |
Locality: Genna Zinkhütte / Letmathe / Iserlohn / Märkischer Kreis / Arnsberg, Bezirk / Nordrhein-Westfalen / Deutschland |
Views (File: ): 6814
Alaun-K Bildbreite: 1,5 mm. Fundort: Im Kalkes, Bebra - Iba, Richelsdorfer Gebirge, Hessen, Deutschland. Copyright: Steinkautz; Contribution: Steinkautz Collection: Steinkautz Location: Deutschland/Hessen/Kassel, Bezirk/Hersfeld-Rotenburg, Landkreis/Richelsdorfer Gebirge/Bebra/Iba/Im Kalkes Mineral: Alum-(K) Image: 1417541488 Rating: 8 (votes: 2) License: Usage for Mineralienatlas project only |
Alaun-K |
Bildbreite: 1,5 mm. Fundort: Im Kalkes, Bebra - Iba, Richelsdorfer Gebirge, Hessen, Deutschland. |
Collection: | Steinkautz |
Copyright: | Steinkautz |
Contribution: Steinkautz 2014-12-02 |
Locality: Im Kalkes / Iba / Bebra / Richelsdorfer Gebirge / Hersfeld-Rotenburg, Landkreis / Kassel, Bezirk / Hessen / Deutschland |
Views (File: ): 6107
Alaun-K Bildbreite: 3 mm; Fundort: Im Kalkes, Bebra - Iba, Richelsdorfer; Gebirge, Hessen, Deutschland. Copyright: Steinkautz; Contribution: Steinkautz Collection: Steinkautz Location: Deutschland/Hessen/Kassel, Bezirk/Hersfeld-Rotenburg, Landkreis/Richelsdorfer Gebirge/Bebra/Iba/Im Kalkes Mineral: Alum-(K) Image: 1417541250 License: Usage for Mineralienatlas project only |
Alaun-K |
Bildbreite: 3 mm; Fundort: Im Kalkes, Bebra - Iba, Richelsdorfer; Gebirge, Hessen, Deutschland. |
Collection: | Steinkautz |
Copyright: | Steinkautz |
Contribution: Steinkautz 2014-12-02 |
Locality: Im Kalkes / Iba / Bebra / Richelsdorfer Gebirge / Hersfeld-Rotenburg, Landkreis / Kassel, Bezirk / Hessen / Deutschland |
Views (File: ): 6215
Alaunkritalle Alaunkristalle im Krater der Phlegräische Felder, Neapel, Italien. BB ca. 7 cm. 19.07.2015 Copyright: Nathan; Contribution: Nathan Collection: Nathan Location: Italien/Kampanien (Campania), Region/Neapel, Provinz/Phlegräische Felder (Campi Flegrei)/Pozzuoli/Solfatara di Pozzuoli Mineral: Alum Group, Alum-(K) Image: 1451128797 License: Usage for Mineralienatlas project only |
Alaunkritalle |
Alaunkristalle im Krater der Phlegräische Felder, Neapel, Italien. BB ca. 7 cm. 19.07.2015 |
Collection: | Nathan |
Copyright: | Nathan |
Contribution: Nathan 2015-12-26 |
Locality: Solfatara di Pozzuoli / Pozzuoli / Phlegräische Felder (Campi Flegrei) / Neapel, Provinz / Kampanien (Campania), Region / Italien |
Collectors Summary
Color | farblos, weiß |
Lustre | Glasglanz |
Hardness (Mohs) | 2 - 2.5 |
Solubility | +++ H2O |
Crystal System | kubisch, Pa3 |
Chemism
Chemical formula |
KAl(SO4)2·12H2O |
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Chemical composition |
Aluminium, Kalium, 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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Hey's Chemical Index of Minerals |
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25: Sulphates |
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Dana 8th edition |
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29: Hydrated Acid and Sulfates |
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IMA status |
Erstbeschreibung vor IMA-Gründung 1959, vererbt, meist als Mineral von der CNMNC anerkannt |
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Mineral status |
anerkanntes Mineral |
Optical Properties
farblos, weiß |
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transparent |
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Glasglanz |
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RI value α / ω / n |
1.456 |
Ri mean |
1.456 |
2V angle |
Isotropisch |
Crystallography
Crystals 3D
Open larger view |
Crystal Structure 3D
Open larger view |
Physical Properties
2 - 2.5 |
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42 (ungefähre Angabe abgeleitet aus der Mohshärte) |
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1.75 (gemessen) 1.753 (berechnet) |
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1.754 ( ρ calc. Mineralienatlas ) |
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Instability |
+++ H2O |
Preface
Author (Name, Year) |
Vauquelin, 1797 |
References
Other languages
German |
Alaun-(K) |
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English |
Alum-(K) |
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French |
Alun de potasse |
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Russian |
Алюмокалиевые квасцы |
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Russian |
Квасцы-(K) |
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Simplified Chinese |
钾明矾 |
Alternative Name
K-alum |
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German |
Kali-Alaun |
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German |
Kalialaun |
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Native Alum |
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Spanish |
Potasioalumbre |
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English |
Potassium Alum |
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Simplified Chinese |
钾明矾石 |
CNMNC symbol
Symbol |
Aum-K |
Automatic Links to external internet sources (Responsibility is with the operator)
Mineral Dealer
Locations with GPS information
IDs
GUSID (Global unique identifier short form) | KPCZMjfxDkeWQJ6W2YqngQ |
GUID (Global unique identifier) | 3299F028-F137-470E-9640-9E96D98AA781 |
Database ID | 1839 |