Mineralienatlas - Fossilienatlas
Corundum |
Pictures (264 Images total)
Views (File: ): 26584, Rating: 9.59
Korund auf Hämatit epitaktische Verwachsung; Bildbreite: 0,6 mm; Fundort: Wannenköpfe, Ochtendung, Eifel, Rheinland-Pfalz, Deutschland Copyright: Fred Kruijen; Contribution: Hg Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Maifeld, Verbandsgemeinde/Ochtendung/Wannenköpfe Mineral: Corundum Image: 1267310991 Rating: 9.59 (votes: 17) License: Usage for Mineralienatlas project only |
Korund auf Hämatit |
epitaktische Verwachsung; Bildbreite: 0,6 mm; Fundort: Wannenköpfe, Ochtendung, Eifel, Rheinland-Pfalz, Deutschland |
Copyright: | Fred Kruijen |
Contribution: Hg 2010-02-27 |
Locality: Wannenköpfe / Ochtendung / Maifeld, Verbandsgemeinde / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland |
Views (File: ): 7638
Korund Korundkristalle in epitaktischer Verwachsung rundum Hämatit Bildbreite: 1,5 mm Fundort: Wannenköpfe bei Ochtendung Copyright: Fred Kruijen; Contribution: Fred Kruijen Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Maifeld, Verbandsgemeinde/Ochtendung/Wannenköpfe Mineral: Corundum Image: 1163976511 Rating: 10 (votes: 1) License: Usage for Mineralienatlas project only |
Korund |
Korundkristalle in epitaktischer Verwachsung rundum Hämatit Bildbreite: 1,5 mm Fundort: Wannenköpfe bei Ochtendung |
Copyright: | Fred Kruijen |
Contribution: Fred Kruijen 2006-11-19 |
Locality: Wannenköpfe / Ochtendung / Maifeld, Verbandsgemeinde / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland |
Views (File: ): 4604
Corundum Perfect quality and DT, corundum crystal, from Ratnapura, Ratnapura District, Sabaragamuwa Province, Sri Lanka; Dimensions: 24 mm x 7 mm x 6 mm Copyright: pegmatite; Contribution: pegmatite Location: Sri Lanka/Sabaragamuwa, Provinz/Rathnapura (Ratnapura), Distrikt Mineral: Corundum Image: 1580983484 Rating: 10 (votes: 1) License: Usage for Mineralienatlas project only |
Corundum |
Perfect quality and DT, corundum crystal, from Ratnapura, Ratnapura District, Sabaragamuwa Province, Sri Lanka; Dimensions: 24 mm x 7 mm x 6 mm |
Copyright: | pegmatite |
Contribution: pegmatite 2020-02-06 |
Locality: Rathnapura (Ratnapura), Distrikt / Sabaragamuwa, Provinz / Sri Lanka |
Views (File: ): 24918, Rating: 9.4
Korund mit Rutil Bildbreite: 4 mm; Fundort: Emmelberg, Üdersdorf, Eifel, Rheinland-Pfalz, Deutschland Copyright: Fred Kruijen; Contribution: Hg Location: Deutschland/Rheinland-Pfalz/Vulkaneifel, Landkreis/Daun/Üdersdorf/Emmelberg Mineral: Corundum Image: 1267274829 Rating: 9.4 (votes: 15) License: Usage for Mineralienatlas project only |
Korund mit Rutil |
Bildbreite: 4 mm; Fundort: Emmelberg, Üdersdorf, Eifel, Rheinland-Pfalz, Deutschland |
Copyright: | Fred Kruijen |
Contribution: Hg 2010-02-27 |
Locality: Emmelberg / Üdersdorf / Daun / Vulkaneifel, Landkreis / Rheinland-Pfalz / Deutschland |
Views (File: ): 28406, Rating: 8.64
Korund Bildbreite: 5 mm; Fundort: Stbr. Caspar, Ettringer Bellerberg, Ettringen, Eifel, Deutschland Copyright: Stephan Wolfsried; Contribution: Hg Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Mayen/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar) Mineral: Corundum Image: 1254465124 Rating: 8.64 (votes: 11) License: Usage for Mineralienatlas project only |
Korund |
Bildbreite: 5 mm; Fundort: Stbr. Caspar, Ettringer Bellerberg, Ettringen, Eifel, Deutschland |
Copyright: | Stephan Wolfsried |
Contribution: Hg 2009-10-02 |
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Mayen / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland |
Views (File: ): 8664, Rating: 9
Korund mit Pseudobrookit Bildbreite: 3 mm, Fundort: Emmelberg, Üdersdorf, Eifel, Rheinland-Pfalz, Deutschland Copyright: Fred Kruijen; Contribution: Hg Location: Deutschland/Rheinland-Pfalz/Vulkaneifel, Landkreis/Daun/Üdersdorf/Emmelberg Mineral: Corundum Image: 1322480364 Rating: 9 (votes: 10) License: Usage for Mineralienatlas project only |
Korund mit Pseudobrookit |
Bildbreite: 3 mm, Fundort: Emmelberg, Üdersdorf, Eifel, Rheinland-Pfalz, Deutschland |
Copyright: | Fred Kruijen |
Contribution: Hg 2011-11-28 |
Locality: Emmelberg / Üdersdorf / Daun / Vulkaneifel, Landkreis / Rheinland-Pfalz / Deutschland |
Collectors Summary
Color | rot, blau, hellblau, grünlich, gelb, lila, grau |
Streak color | weiß |
Lustre | Glasglanz, Diamantglanz, Perlglanz |
Hardness (Mohs) | 9 |
Cleavages | teilbar {0001} und {1011} |
Fracture | uneben, muschelig |
Solubility | - Säuren |
Crystal System | trigonal, R3c |
Morphology | plattig-tafelig von Chibiny; sonst: Doppelpyramiden; prismatische Kristalle; Rollstücke; körnige Aggregate; oft kommen Rutileinschlüsse vor, die bei geeignetem Schliff Asterismus hervorrufen. |
Chemism
Chemical formula |
Al2O3 |
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Additional chem. information |
Lt. Strunz 9. Edition: auch zugehörig zur Hämatit Serie |
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Chemical composition |
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Analysis wt% |
Al2O3 : 99.00, Fe2O3 : 1.00 |
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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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Hey's Chemical Index of Minerals |
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07: Oxides and Hydroxides |
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Dana 8th edition |
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04: Oxide Minerals |
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IMA status |
anerkannt, pre IMA, vererbt |
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Mineral status |
anerkanntes Mineral |
Optical Properties
Optical Data Luminescence
als Varietät Rubin starke rote Fluoreszenz |
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Color LW-UV (365nm) |
  rot |
LW-UV Intensity |
sehr stark |
LW-UV Observation Frequency |
sehr häufig |
Color SW-UV (254nm) |
  rot |
SW-UV Intensity |
mittel |
SW-UV Observation Frequency |
häufig |
LW-UV Other Colors |
    violettrot, violettrosa |
SW-UV Other Colors |
  orange |
Most Common Activator |
Cr3+ |
Afterglow (Persistant Luminescence) |
keine Daten |
Image ⇒ Luminescence ⇒ excitation ⇒ UV longwave ~365nm (1 Images total)
Views (File: ): 1255
Künstlicher Korund Künstlich hergestellter Korund - UV langwelle Aktiv. Copyright: Rudolf Mehnert; Contribution: Rudolf Mehnert Collection: Rudolf Mehnert Mineral: Corundum Image: 1394984946 License: Usage for Mineralienatlas project only |
Künstlicher Korund |
Künstlich hergestellter Korund - UV langwelle Aktiv. |
Collection: | Rudolf Mehnert |
Copyright: | Rudolf Mehnert |
Contribution: Rudolf Mehnert 2014-03-16 |
Crystallography
Crystals 3D
Open larger view |
Crystal Structure 3D
Open larger view |
Physical Properties
Preface
References
Varieties
farblose oder weiße Farbvarietät der Korund-Varietät Saphir. |
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rote Korund-Varietät |
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mit Fe und Ti; kein eigenständiges Mineral; Korund-Varietät |
Other languages
Spanish |
Corindon |
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French |
Corindon |
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English |
Corundum |
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German |
Korund |
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Russian |
Корунд |
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Simplified Chinese |
刚玉 |
Alternative Name
Adamant |
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Latin |
Adamas siderites |
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German |
Ajatit |
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Alumina |
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German |
Ayatit |
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Spanish |
Ayatita |
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Ayatite |
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French |
Corindon adamantin |
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French |
Corindon granuleux |
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French |
Corindon harmophane |
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Italian |
Corindone |
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Corinendum |
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Corinindum |
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Corivendum |
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Corivindum |
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Corrindon |
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German |
Corundit |
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Spanish |
Corundita |
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Corundite |
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Corundum-alpha |
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Corundum-α |
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German |
Corundumit |
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Spanish |
Corundumita |
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Corundumite |
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German |
Demantspath |
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Emeril |
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Harmophane |
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Karund |
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German |
Korunduvit |
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Spanish |
Korunduvita |
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Korunduvite |
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Naxium |
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Naxium ex Armenia |
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Smergel |
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Smiris |
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Smiris ferrea |
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Smyris |
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German |
Soimontit |
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Spanish |
Soimontita |
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Soimontite |
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Spath Adamantin |
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White Sapphire |
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Italian |
Zircolita |
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Zircolite |
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a-Corundum |
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French |
Émeri |
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α-Alumina |
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α-Corundum |
CNMNC symbol
Symbol |
Crn |
Rock part of
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