Mineralienatlas - Fossilienatlas
Decagonite (Decagonit) |
Collectors Summary
Color | grau, schwarz |
Lustre | Metallglanz |
Crystal System | decagonal, P105/mmc |
Additional information / Summary
Ein Quasikristall mit decagonaler Symmetrie vom Khatyrka CV3 Kohlenstoffreichem Chondrit. Es ist der zweite natürliche Quasikristall neben Ikosaedrit und der erste Kristall der die kristallographisch verbotene decagonale Symmetrie aufweist. |
Chemism
Chemical formula |
Al71Ni24Fe5 |
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Chemical composition |
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Strunz 9th edition incl. updates |
1 |
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1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide) |
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IMA status |
anerkannt - CNMNC Newsletter 25, Juni 2015 |
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Mineral status |
anerkanntes Mineral |
Optical Properties
grau, schwarz |
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Metallglanz |
Crystallography
decagonal |
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P105/mmc |
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bekanntes synthetisches Analog |
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2.024(100), 3.765(50), 2051(45), 2.405(40), 1.9799(40) |
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Calculated from d-spacing and intensity at 0.1541838 nm (Cu) |
(Co-)Type locality
(Co-)Type locality |
Russland/Ferner Osten, Föderationskreis/Autonomer Kreis der Tschuktschen (Tschukotka, Chukotka)/Anadyrski (Anadyrsky), Rajon/Khatyrka Meteorit |
Type material |
Museo di Storia Naturale, Sezione di Mineralogia e Litologia, Universitá di Firenze, Via La Pira 4, I-50121 Firenze, Italy |
Collection number of type material |
3146/I |
Preface
Name from |
Der Name stammt von der 10-fachen Symmetrie des Minerals |
Author (Name, Year) |
Luca Bindi und Paul J. Steinhardt (2015) |
References
Other languages
German |
Decagonit |
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English |
Decagonite |
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Russian |
Декагонит |
Alternative Name
German |
Dekagonit |
CNMNC (IMA)-Number
IMA 2015-017 |
CNMNC symbol
Symbol |
Dec |
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Mineral Dealer
Locations with GPS information
IDs
GUSID (Global unique identifier short form) | EllEdjMX_EGeJ6_d7iUwxA |
GUID (Global unique identifier) | 76445912-1733-41FC-9E27-AFDDEE2530C4 |
Database ID | 7930 |