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Roaldite

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Formula:
(Fe,Ni)4N
Colour:
Tin-white
Lustre:
Metallic
Hardness:
5½ - 6½
Name:
Named after Roald Norbach Nielsen (1928 - ), Danish electron-microprobe specialist.
This page provides mineralogical data about Roaldite.


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Classification of RoalditeHide

Approved
1.BC.05

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides and Phosphides
C : Nitrides
Dana 7th ed.:
1.1.27.2
1.1.18.2

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
2.12

2 : Carbides, Nitrides, Silicides and Phosphides

Physical Properties of RoalditeHide

Metallic
Colour:
Tin-white
Hardness:
5½ - 6½ on Mohs scale

Chemical Properties of RoalditeHide

Formula:
(Fe,Ni)4N
Common Impurities:
Ni

Type Occurrence of RoalditeHide

Synonyms of RoalditeHide

Other Language Names for RoalditeHide

German:Roaldit
Simplified Chinese:陨氮镍铁矿
罗氮铁矿
Spanish:Roaldita

Related Minerals - Nickel-Strunz GroupingHide

1.BC.UM2007-16-N:TiTi7N3
1.BC.10SiderazotFe5N2Hex.
1.BC.15CarlsbergiteCrN
1.BC.15OsborniteTiNIso. m3m (4/m 3 2/m) : Fm3m
1.BC.20Unnamed (Gallium Nitride)GaNHex. 6mm : P63mc

Related Minerals - Dana Grouping (8th Ed.)Hide

1.1.18.1SiderazotFe5N2Hex.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

2.1MoissaniteSiCHex. 6mm : P63mc
2.2SinoiteSi2N2OOrth.
2.3OsborniteTiNIso. m3m (4/m 3 2/m) : Fm3m
2.4TongbaiteCr3C2Orth.
2.5CarlsbergiteCrN
2.6SiderazotFe5N2Hex.
2.7GupeiiteFe3SiIso.
2.8XifengiteFe5Si3Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm
2.9Khamrabaevite(Ti,V,Fe)C
2.10Haxonite(Fe,Ni)23C6Iso. m3m (4/m 3 2/m) : Fm3m
2.11CoheniteFe3COrth.
2.13Suessite(Fe,Ni)3Si
2.14Schreibersite(Fe,Ni)3PTet. 4 : I4
2.15Barringerite(Fe,Ni)2PHex. 6 m2 : P62m
2.16Perryite(Ni,Fe)5(Si,P)2Trig.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for RoalditeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Geochemica et Cosmochimica Acta, Suplement 16 (Proceedings of the Lunar and Planetary Science Conference 12, Part B): 1343-1348.
Canadian Mineralogist (1990): 28: 751-755.

Internet Links for RoalditeHide

Localities for RoalditeHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia (TL)
 
  • Western Australia
    • Quairading Shire
Buchwald & Nielsen (1981) Lunar & Planetary Sceince 1981, 112-4
Denmark
 
  • Sjælland Region
Buchwald VF, Nielsen HP: Lunar and Planetary Science (1981) 12, 112-114
USA
 
  • Arizona
    • Coconino Co.
      • Winslow
        • Meteor Crater area
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 355.
Mineral and/or Locality  
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