Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Roaldite

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

Classification of Roaldite

IMA status:Approved
Strunz 8th edition ID:1/A.10-30
Nickel-Strunz 10th (pending) edition ID: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 edition ID:1.1.27.2
Dana 8th edition ID:1.1.18.2

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
Hey's CIM Ref.:2.12

2 : Carbides, Nitrides, Silicides and Phosphides
mindat.org URL:http://www.mindat.org/min-3430.html
Please feel free to link to this page.

Type Occurrence of Roaldite

Type Locality:Youngedin meteorite, Avon, Western Australia, Australia
Year of Discovery:1981

Physical Properties of Roaldite

Lustre:Metallic
Colour:Tin-white
Hardness (Mohs):5½ - 6½

Chemical Properties of Roaldite

Formula:
(Fe,Ni)
 
4
N
Essential elements:Fe, N
All elements listed in formula:Fe, N, Ni
Common Impurities:Ni

Relationship of Roaldite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
1.BC.10Siderazot
Fe
 
5
N
 
2
1.BC.15Carlsbergite
CrN
1.BC.15Osbornite
TiN
1.BC.20Unnamed (Gallium nitride)
GaN
Related Minerals - Hey's Index Grouping:

- +
2.1Moissanite
SiC
2.2Sinoite
Si
 
2
N
 
2
O
2.3Osbornite
TiN
2.4Tongbaite
Cr
 
3
C
 
2
2.5Carlsbergite
CrN
2.6Siderazot
Fe
 
5
N
 
2
2.7Gupeiite
Fe
 
3
Si
2.8Xifengite
Fe
 
5
Si
 
3
2.9Khamrabaevite
(Ti,V,Fe)C
2.10Haxonite
(Fe,Ni)
 
23
C
 
6
2.11Cohenite
(Fe,Ni,Co)
 
3
C
2.13Suessite
(Fe,Ni)
 
3
Si
2.14Schreibersite
(Fe,Ni)
 
3
P
2.15Barringerite
(Fe,Ni)
 
2
P
2.16Perryite
(Ni,Fe)
 
5
(Si,P)
 
2
Related Minerals - Dana Grouping):

- +
1.1.27.1Siderazot
Fe
 
5
N
 
2

Other Names for Roaldite

Synonyms:
IMA1980-079
Other Languages:
German:Roaldit
Spanish:Roaldita

Other Information

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

References for Roaldite

Reference List: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 Roaldite

Search Engines:
  • Look for Roaldite on Google
  • Look for Roaldite images on Google
    • External Links:
  • Look for Roaldite on Webmineral
  • Look for Roaldite on Athena Mineralogy
  • Look for Roaldite on Wikipedia
  • Look for Roaldite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Roaldite in the Natural History Museum (London) online catalogue
    • Mineral Dealers:
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Wright's Rock Shop - excellent mineral specimens since 1970
  • SpiriferMinerals.com - high quality specimens
  • Fine Minerals from Dan Weinrich Minerals
  • Wilensky Fine Minerals
  • Buy Fine Minerals from mineralsweb.com
  • Wendel Minerals - Auktion & Shop
  • Fabre Minerals - search for Roaldite specimens
  • The Arkenstone - Fine Minerals
  • Buy fine minerals and gemstones from Pala International
  • Top quality minerals from Kristalle of California
  • Rare and Unusual minerals at Mineralogical Research Company
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Roaldite

    Hide Locality List
    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • Western Australia
      • Avon
    		Lunar & Planetary Sceince 1981, 112-4
    Denmark
     
    • Sjælland
    		Buchwald VF, Nielsen HP: Lunar and Planetary Science (1981) 12, 112-114
    USA
     
    • Arizona
      • Coconino Co.
        • Winslow
          • Meteor Crater and vicinity
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 355.
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 10th Oct 2009 20:58:19