Mineralienatlas - Fossilienatlas
Cohenite (Cohenit) |
Pictures (2 Images total)
Views (File: ): 3307
Cohenit xx auf Kohle Bildbreite: 9 mm; Fundort: Kopeisk, Tscheljabinsk, Ural, Russland Copyright: Pavel M. Kartashov; Contribution: slugslayer Location: Russland/Ural, Föderationskreis/Tscheljabinsk, Oblast/Tscheljabinsk Kohlebecken/Kopeisk Mineral: Cohenite Image: 1241275348 Rating: 4.5 (votes: 2) License: Usage for Mineralienatlas project only |
Cohenit xx auf Kohle |
Bildbreite: 9 mm; Fundort: Kopeisk, Tscheljabinsk, Ural, Russland |
Copyright: | Pavel M. Kartashov |
Contribution: slugslayer 2009-05-02 |
Locality: Kopeisk / Tscheljabinsk Kohlebecken / Tscheljabinsk, Oblast / Ural, Föderationskreis / Russland |
Views (File: ): 2992
Cohenit-Einschlüsse (dunkel) in ged. Eisen Bildbreite: 4 mm; Fundort: Khungtukun-Massiv, Taimyr-Halbinsel, Krasnojarsk, Sibirien, Russland Copyright: Pavel M. Kartashov; Contribution: slugslayer Location: Russland/Sibirien, Föderationskreis/Krasnojarsk, Region (Krasnojarski krai)/Taimyrhalbinsel (Tajmyr)/Khatanga/Khungtukun-Massiv Mineral: Cohenite Image: 1244490945 Rating: 5 (votes: 2) License: Usage for Mineralienatlas project only |
Cohenit-Einschlüsse (dunkel) in ged. Eisen |
Bildbreite: 4 mm; Fundort: Khungtukun-Massiv, Taimyr-Halbinsel, Krasnojarsk, Sibirien, Russland |
Copyright: | Pavel M. Kartashov |
Contribution: slugslayer 2009-06-08 |
Locality: Khungtukun-Massiv / Khatanga / Taimyrhalbinsel (Tajmyr) / Krasnojarsk, Region (Krasnojarski krai) / Sibirien, Föderationskreis / Russland |
Collectors Summary
Color | gelblich weiß, zinnweiß |
Lustre | Metallglanz |
Hardness (Mohs) | 5.5 - 6 |
Cleavages | {100}, {010}, {001} |
Solubility | + konz. Säuren: geben einen Geruch nach Petroleum, - verdünnte HCl |
Crystal System | orthorhombisch, Pnma |
Chemism
Chemical formula |
(Fe,Ni,Co)3C |
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Chemical composition |
Eisen, Kobalt, Nickel, Kohlenstoff |
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Strunz 9th edition incl. updates |
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1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide) |
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Lapis Classification |
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I: ELEMENTE |
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Classification by Hölzel |
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1: ELEMENTS |
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Hey's Chemical Index of Minerals |
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02: Carbides, Nitrides, Silicides and Phosphides |
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Dana 8th edition |
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01: Native Elements and Alloys |
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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 |
Perovskite supergroup ⇒ Non-stoichiometric perovskites ⇒ Cohenite subgroup |
Optical Properties
Crystallography
Crystal Structure 3D
Open larger view |
Physical Properties
(Co-)Type locality
(Co-)Type locality |
Slowakei/Zilinský kraj/Oravska Magura-Gebirge/Magura-Meteorit |
Preface
In Eisenmeteoriten |
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Kamacit, Taenit |
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Name from |
dem deutschen Mineralogen Emil Cohen (1842-1905) |
Author (Name, Year) |
Weinschenk, 1889 |
References
IMA group assignments
Other languages
German |
Cohenit |
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Spanish |
Cohenita |
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English |
Cohenite |
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French |
Cohenite |
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Russian |
Когенит |
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Simplified Chinese |
陨碳铁矿 |
Alternative Name
Cementit |
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Cementita |
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Cementite |
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Simplified Chinese |
陨碳铁 |
CNMNC symbol
Symbol |
Coh |
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