Uakitite
A valid IMA mineral species
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About Uakitite
Formula:
VN
Colour:
yellow
Lustre:
Metallic
Hardness:
9 - 10
Specific Gravity:
6.128 (Calculated)
Crystal System:
Isometric
Member of:
Name:
Named for the Uakit iron meteorite, that produced the type material.
Type Locality:
Isostructural with:
The first vanadium nitride to be found in the nature. Also the first natural oxygen-free V-N compound. The V analogue of both carlsbergite and osbornite.
Most physical and optical properties are from synthetic material
Most physical and optical properties are from synthetic material
Unique Identifiers
Mindat ID:
52913
Long-form identifier:
mindat:1:1:52913:0
Similar Names
| Yakutita | A synonym of 'Kalsilite-biotite pyroxenite' |
IMA Classification of Uakitite
Approved
IMA Formula:
V3+N3-
Approval year:
2018
First published:
2020
Type description reference:
Classification of Uakitite
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
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 for Standard |
|---|---|---|
| Uak | 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 Uakitite
Metallic
Transparency:
Transparent
Colour:
Yellow
Streak:
White
Hardness:
9 - 10 on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Parting:
None
Density:
6.128 g/cm3 (Calculated)
Optical Data of Uakitite
Type:
Isotropic
RI values:
n = 2.3031
Surface Relief:
Very High (positive)
Relative to Canada balsam mounting medium (n ≈ 1.537).
Relative to Canada balsam mounting medium (n ≈ 1.537).
This shows the grain boundary and Becke line effect under plane-polarised
light, based on the contrast between this mineral's average refractive
index and the mounting medium. It does not take into account mineral
colouration.
In focus
Colour in reflected light:
light gray with a pinky tint
Internal Reflections:
none
Chemistry of Uakitite
Mindat Formula:
VN
Elements listed:
Crystallography of Uakitite
Crystal System:
Isometric
Class (H-M):
m3m(4/m32/m) - Hexoctahedral
Space Group:
Fm3m
Setting:
Fm3m
Cell Parameters:
a = 4.1328(3) Å
Unit Cell V:
70.59 ų (Calculated from Unit Cell)
Z:
4
Twinning:
none
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.386 Å | (71) |
| 2.066 Å | (100) |
| 1.461 Å | (61) |
| 1.246 Å | (29) |
| 1.193 Å | (19) |
| 0.948 Å | (10) |
| 0.924 Å | (21) |
| 0.844 Å | (14) |
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 Uakitite
General Appearance of Type Material:
Isometric (cubic) crystals (in daubréelite) or rounded grains (in schreibersite). The size of uakitite grains is usually less than 5 μm.
Place of Conservation of Type Material:
Meteorite collections of the Central Siberian Geological Museum of V.S.Sobolev Institute of Geology and Mineralogy, Novosibirsk, Russia, and the Museum of the Buryatian Scientific Centre,Ulan-Ude, Russia
Geological Setting of Type Material:
iron meteorite (IIAB)
Associated Minerals at Type Locality:
Synonyms of Uakitite
Other Language Names for Uakitite
Relationship of Uakitite to other Species
Member of:
Other Members of Osbornite Group:
| Carlsbergite | CrN | Iso. m3m(4/m32/m) : Fm3m |
| Osbornite | TiN | Iso. m3m(4/m32/m) : Fm3m |
Common Associates
Associations Based on Photo Data:
| 2 photos of Uakitite associated with 'Kamacite' | (Fe,Ni) |
| 1 photo of Uakitite associated with 'IIAB iron meteorite' | |
| 1 photo of Uakitite associated with Grokhovskyite | CuCrS2 |
| 1 photo of Uakitite associated with Daubréeite | BiO(OH) |
| 1 photo of Uakitite associated with Troilite | FeS |
| 1 photo of Uakitite associated with Schreibersite | (Fe,Ni)3P |
| 1 photo of Uakitite associated with Magnetite | Fe2+Fe3+2O4 |
| 1 photo of Uakitite associated with Goethite | Fe3+O(OH) |
Related Minerals - Strunz-mindat Grouping
| 1.BC. | Qingsongite | BN |
| 1.BC. | 'UM2007-16-N:Ti' | Ti7N3 |
| 1.BC. | Oreillyite | Cr2N |
| 1.BC.05 | Roaldite | (Fe,Ni)4N |
| 1.BC.10 | Siderazot | FeNx to Fe3N1.33 |
| 1.BC.15 | Carlsbergite | CrN |
| 1.BC.15 | Osbornite | TiN |
| 1.BC.20 | 'UM2006-34-N:Ga' | GaN |
Fluorescence of Uakitite
none
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 Uakitite
mindat.org URL:
https://www.mindat.org/min-52913.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Uakitite
Reference List:
Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2018) CNMNC Newsletter No 43, New minerals and nomenclature modifications approved in 2018. Mineralogical Magazine, 82 (3) 779-785 doi:10.1180/mgm.2018.72p.781
Sharygin, V. V.; Ripp, G. S.; Yakovlev, G. A.; Seryotkin, Yu. V.; Karmanov, N. S.; Izbrodin, I.A.; I., V.; Grokhovsky,; Khromova, E. A. (2018) Uakitite VN, a new nitride in iron meteorites. 81st Annual Meeting of the Meteoritical Society 6252.
Localities for Uakitite
Showing 1 localities.
symbol to view information about a locality.
The 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).
All localities listed without proper references should be considered as questionable.
Russia (TL) | |
| Hålenius et al. (2018) +2 other references |
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Uakit iron meteorite, Baunt District, Buryatia, Russia