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Carlsbergite Mineral Data
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General Carlsbergite Information
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Chemical Formula: |
CrN |
Composition: |
Molecular Weight = 66.00 gm |
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Chromium 78.78 % Cr |
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Nitrogen 21.22 % N |
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______ |
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100.00 % |
Empirical Formula: |
CrN |
Environment: |
As minute platelets and grain boundary precipitates in kamacite and troilite, and as similar grains ringing daubreelite in iron meteorites. |
IMA Status: |
Approved IMA 1971 |
Locality: |
Agpalilik (Cape York) iron meteorite. Link to MinDat.org Location Data. |
Name Origin: |
Named for the Carlsberg Foundation, Copenhagen, Denmark, which supported recovery and cutting of the Agpalilik meteorite. |
Synonym: |
ICSD 41827 |
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PDF Nov-65 |
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Carlsbergite Image |
Images:
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Carlsbergite Kamacite
Comments: Polished section showing a small light gray elongated inclusion of carlsbergite in massive kamacite.
Location: Kenton County meteorite, Kenton Co., Kentucky, USA.
Scale: Picture size 0.08 mm.
© Thomas Witzke / Abraxas-Verlag |
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Carlsbergite Crystallography
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Cell Dimensions: |
a = 4.16, Z = 4; V = 71.99 Den(Calc)= 6.09 |
Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m |
X Ray Diffraction: |
By Intensity(I/Io): 2.068(1), 1.463(0.8), 2.394(0.8),0.846(0.6), 0.926(0.6), 1.249(0.6), 0.9496(0.5), |
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Physical Properties of Carlsbergite
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Color: |
Gray. |
Density: |
5.9 |
Diaphaneity: |
Opaque |
Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
Habit: |
Platy - Sheet forms (e.g. micas). |
Hardness: |
7 - Quartz |
Luster: |
Metallic |
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Optical Properties of Carlsbergite
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RL Color: |
Light gray with a rose-violet tint. |
Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Carlsbergite in Air
λ |
R |
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∑ R(λ) |
481 nm |
49.50 |
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546 nm |
41.50 |
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590 nm |
41.00 |
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644 nm |
40.50 |
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Calculated Relative Intensity Colors of Carlsbergite in Air
Relative Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
220% |
R |
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Calculated Properties of Carlsbergite
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Electron Density: |
Bulk Density (Electron Density)=5.72 gm/cc note: Specific Gravity of Carlsbergite =6.09 gm/cc. |
Fermion Index: |
Fermion Index = 0.28 Boson Index = 0.72 |
Photoelectric: |
PECarlsbergite = 18.07 barns/electron U=PECarlsbergite x rElectron Density= 103.39 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Carlsbergite is Not Radioactive |
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Carlsbergite Classification
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Dana Class: |
01.01.20.01 (01)Native Elements |
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(01.01)with metallic elements other than the platinum group |
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(01.01.20)Dana Group |
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01.01.20.01 Carlsbergite CrN F m3m 4/m 3 2/m |
Strunz Class: |
01.BC.15 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides) |
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01.B - Metallic Carbides, Silicides, Nitrides and Phosphides |
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01.BC -Nitrides |
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01.BC.15 Carlsbergite CrN F m3m 4/m 3 2/m |
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01.BC.15 Osbornite TiN F m3m 4/m 3 2/m |
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Other Carlsbergite Information
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References: |
NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3) |
See Also: |
Links to other databases for Carlsbergite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST
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Print or Cut-and-Paste your Carlsbergite Specimen Label here :
Carlsbergite
CrN
Dana No: 01.01.20.01 Strunz No: 01.BC.15
Locality:
Notes:
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