Carlsbergite
A valid IMA mineral species
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About Carlsbergite
Formula:
CrN
Hardness:
7
Crystal System:
Isometric
Member of:
Name:
Named in honor of the Carlsberg Foundation, Copenhagen, Denmark, that funded the research.
Type Locality:
The Cr analogue of both the Ti-dominant osbornite and V-dominant uakitite. The only currently known Cr-N mineral.
Unique Identifiers
Mindat ID:
904
Long-form identifier:
mindat:1:1:904:3
GUID
(UUID V4):
(UUID V4):
5a1b6996-4099-41a0-9d1a-d0da021a1d9b
IMA Classification of Carlsbergite
Approved
Approval year:
1971
First published:
1971
Approval history:
IMA1971-026
Classification of Carlsbergite
1.BC.15
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides, Phosphides and Hydrides
C : Nitrides
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides, Phosphides and Hydrides
C : Nitrides
Dana 7th ed.:
1.1.30.1
1.1.20.1
1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
2.5
2 : Carbides, Nitrides, Silicides and Phosphides
2 : Carbides, Nitrides, Silicides and Phosphides
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Cbg | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Carlsbergite
Transparency:
Opaque
Hardness:
7 on Mohs scale
Optical Data of Carlsbergite
Reflectivity:
Wavelength | R |
---|---|
481nm | 49.5% |
546nm | 41.5% |
590nm | 41.0% |
644nm | 40.5% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 49.5%.
Colour in reflected light:
Light gray with a rose-violet tint
Chemistry of Carlsbergite
Mindat Formula:
CrN
Elements listed:
Crystallography of Carlsbergite
Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fm3m
Cell Parameters:
a = 4.16(3) Å
Unit Cell V:
71.99 ų (Calculated from Unit Cell)
Crystal Structure
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2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0016822 | Carlsbergite | Nasr Eddine M, Bertaut E, Roubin M, Paris J (1977) Etude cristallographique de Cr(1-x) V(x) N a basse temperature _cod_database_code 1008956 Acta Crystallographica B33 3010-3013 | 1977 | 0 | 293 | ||
0011297 | Carlsbergite | Wyckoff R W G (1963) Second edition. Interscience Publishers, New York, New York rocksalt structure Crystal Structures 1 85-237 | 1963 | 0 | 293 | ||
0019174 | Carlsbergite | Nolze G, Wagner G, Saliwan Neumann R, Skala R, Geist V (2006) Orientation relationships of carlsbergite in schreibersite and kamacite in the north Chile iron meteorite Mineralogical Magazine 70 373-382 | 2006 | north Chile iron meteorite | 0 | 293 | |
0017891 | Carlsbergite | Blix R (1929) Roentgenanalyse des Chrom-Stickstoffsystems nebst einer orientierten Konstitutionsuntersuchung des stickstoffhaltigen Ferrochroms _cod_database_code 1010974 Zeitschrift fur Physikalische Chemie 3 229-239 | 1929 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
2.068 Å | (100) |
2.394 Å | (80) |
1.463 Å | (80) |
1.249 Å | (60) |
0.9260 Å | (60) |
0.8460 Å | (60) |
0.9496 Å | (50) |
Comments:
Synthetic, ICDD 11-65.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 2: Planetesimal differentiation and alteration | 4.566-4.550 |
5 : Primary asteroid phases | 4.566–4.560 |
Type Occurrence of Carlsbergite
General Appearance of Type Material:
Oriented platelets in kamacite, typically 30x5x2 microns, and as grain-boundary precipitates a few microns in diameter. Also ringing daubreelite or in association with sphalerite.
Place of Conservation of Type Material:
University of Copenhagen, Copenhagen, Denmark, 1967,410.
American Museum of Natural History, New York, New York, USA.
American Museum of Natural History, New York, New York, USA.
Geological Setting of Type Material:
Iron meteorites
Associated Minerals at Type Locality:
Reference:
Buchwald, V.F., Scott, E.R.D. (1971) First nitride (CrN) in iron meteorites. Nature Physical Science: 233: 113-114.
Synonyms of Carlsbergite
Other Language Names for Carlsbergite
Relationship of Carlsbergite to other Species
Member of:
Other Members of this group:
Common Associates
Related Minerals - Strunz-mindat Grouping
1.BC. | UM2007-16-N:Ti | Ti7N3 |
1.BC. | Qingsongite | BN |
1.BC. | Oreillyite | Cr2N |
1.BC.05 | Roaldite | (Fe,Ni)4N |
1.BC.10 | Siderazot | FeNx to Fe3N1.33 |
1.BC.15 | Osbornite | TiN |
1.BC.15 | Uakitite | VN |
1.BC.20 | UM2006-34-N:Ga | GaN |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Carlsbergite
mindat.org URL:
https://www.mindat.org/min-904.html
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References for Carlsbergite
Reference List:
Localities for Carlsbergite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Australia | |
| Buchwald (1975) |
Azerbaijan | |
| Buchwald (1975) |
Chile | |
| H. J. Axon et al. (1981) |
Germany | |
| Buchwald (1975) +1 other reference |
Greenland (TL) | |
| Mineralogical Society of America - ... +1 other reference |
India | |
| Buchwald (1975) +1 other reference |
Japan | |
| Ouroboros - ... |
Mexico | |
| Buchwald (1975) |
| Buchwald (1975) |
| Buchwald (1975) |
Nigeria | |
| Buchwald (1975) +1 other reference |
Russia | |
| Sharygin (IIAB) +1 other reference |
| Pavel.M. Kartashov (n.d.) +1 other reference |
Somalia | |
| Buchwald et al. (1971) |
South Africa | |
| H. J. Axon et al. (1981) |
USA | |
| Anthony et al. (1995) |
| Howard (2007) |
| Buchwald (1975) |
| H. J. Axon et al. (1981) |
| Buchwald (1975) |
| Zapiski Vseross. Mineral. Obshch. (1999) |
| H. J. Axon et al. (1981) |
| Buchwald (1975) |
| Buchwald (1975) |
| H. J. Axon et al. (1981) |
| H. J. Axon et al. (1981) |
| Buchwald (1975) |
| Buchwald (1975) |
| Buchwald (1975) |
| Mineralogical Society of America - ... |
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Kenton County meteorite, Kenton County, Kentucky, USA