Chukanovite
A valid IMA mineral species
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About Chukanovite
Dr. Nikita V. Chukanov
Formula:
Fe2+2(CO3)(OH)2
Colour:
pale green or colourless (unaltered) to brownish green (at the surface) and brown
Lustre:
Vitreous
Hardness:
3½ - 4
Specific Gravity:
3.60 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
Honours Nikita Vladimirovich Chukanov (Никита Владимирович Чуканов) (b. 1953), Russian physicist and mineralogist, a specialist in infrared spectroscopy. He is author/coauthor on the description of over 200 minerals.
Type Locality:
The Fe analogue of malachite.
Product of terrestrial alteration of meteorite iron. Also observed as an anthropogenic corrosion product in the hot-water exchanger of an industrial plant in Beringen, Switzerland (Erdös & Altorfer, 1976). A synthetic analogue was also obtained as a product of Fe-clay interactions during simulated cooling of containers in radioactive waste repositories (Pignatelli et al., 2014).
Product of terrestrial alteration of meteorite iron. Also observed as an anthropogenic corrosion product in the hot-water exchanger of an industrial plant in Beringen, Switzerland (Erdös & Altorfer, 1976). A synthetic analogue was also obtained as a product of Fe-clay interactions during simulated cooling of containers in radioactive waste repositories (Pignatelli et al., 2014).
Unique Identifiers
Mindat ID:
28917
Long-form identifier:
mindat:1:1:28917:1
GUID
(UUID V4):
(UUID V4):
72baf858-4e28-48cd-9b3f-a57fe2a65d5d
IMA Classification of Chukanovite
Approved
IMA Formula:
Fe2(CO3)(OH)2
Approval year:
2005
First published:
2007
Type description reference:
Classification of Chukanovite
5.BA.10
5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
A : With Cu, Co, Ni, Zn, Mg, Mn
5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
A : With Cu, Co, Ni, Zn, Mg, Mn
16a.3.2.2
16a : ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
3 : (AB)2(XO3)Zq
16a : ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
3 : (AB)2(XO3)Zq
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 |
|---|---|---|
| Ckn | 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 Chukanovite
Vitreous
Transparency:
Transparent
Colour:
pale green or colourless (unaltered) to brownish green (at the surface) and brown
Comment:
turns brown by oxidation within a few months
Streak:
white
Hardness:
3½ - 4 on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
probably in {021}
probably in {021}
Fracture:
Irregular/Uneven
Density:
3.60 g/cm3 (Calculated)
Optical Data of Chukanovite
Type:
Biaxial (-)
RI values:
nα = 1.673(3) nβ = 1.770(5) nγ = 1.780(5)
2V:
Measured: 10° (5)
Max Birefringence:
δ = 0.107
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Very High
Chemistry of Chukanovite
Mindat Formula:
Fe2+2(CO3)(OH)2
Elements listed:
Crystallography of Chukanovite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/a
Cell Parameters:
a = 9.639 Å, b = 12.226 Å, c = 6.492 Å
β = 96.06°
β = 96.06°
Ratio:
a:b:c = 0.788 : 1 : 0.531
Unit Cell V:
760.78 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) |
|---|---|---|---|---|---|---|---|
| 0007252 | Chukanovite | Pekov I V, Perchiazzi N, Merlino S, Kalachev V N, Merlini M, Zadov A E (2007) Chukanovite, Fe2(CO3)(OH)2, a new mineral from the weathered iron meteorite Dronino European Journal of Mineralogy 19 891-898 | 2007 | Dronino meteorite, Dronino village, Kasimov district, Ryazan Oblast, Russia | 0 | 293 | |
| 0020153 | Chukanovite | Pignatelli I, Mugnaioli E, Mosser-Ruck R, Barres O, Kolb U, Michau N (2014) A multi-technique, micrometer- to atomic-scale description of a synthetic analogue of chukanovite, Fe2(CO3)(OH)2 European Journal of Mineralogy 26 221-229 | 2014 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 6.14 Å | (40) |
| 5.15 Å | (60) |
| 3.73 Å | (80) |
| 2.645 Å | (100) |
| 2.361 Å | (40) |
| 2.171 Å | (40) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47i : [Terrestrial weathering of meteorites] |
Type Occurrence of Chukanovite
General Appearance of Type Material:
acicular to fibrous crystals, up to 0.5 mm long and max. 2-3 μm thick, in spherulites up to 1 mm in diameter, also in botryoidal spherulitic clusters and parallel-columnar or radial-columnar aggregates forming crusts up to 1 mm thick
Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia.
Geological Setting of Type Material:
Terrestrialized (weathered) iron meteorite.
Associated Minerals at Type Locality:
Reference:
Pekov, I.V., Perchiazzi, N., Merlino, S., Kalachev, V.N., Merlini, M., Aleksandr E. Zadov, A.E. (2007): Chukanovite, Fe2(CO3)(OH)2, a new mineral from the weathered iron meteorite Dronino. European Journal of Mineralogy: 19: 891-898.
Synonyms of Chukanovite
Other Language Names for Chukanovite
Simplified Chinese:铁孔雀石
Relationship of Chukanovite to other Species
Member of:
Other Members of this group:
| Glaukosphaerite | (Cu,Ni)2(CO3)(OH)2 | Mon. 2/m : P21/b |
| Malachite | Cu2(CO3)(OH)2 | Mon. 2/m : P21/b |
| Mcguinnessite | (Mg,Cu)2(CO3)(OH)2 | Mon. 2/m |
| Nullaginite | Ni2(CO3)(OH)2 | Mon. 2/m : P21/b |
| Parádsasvárite | Zn2(CO3)(OH)2 | Mon. 2/m : P21/b |
| Perchiazziite | Co2(CO3)(OH)2 | Mon. 2/m : P21/b |
| Pokrovskite | Mg2(CO3)(OH)2 | Mon. 2/m : P21/b |
| Rosasite | (Cu,Zn)2(CO3)(OH)2 | Mon. 2/m : P21/b |
| Zincrosasite | (Zn,Cu)2(CO3)(OH)2 | Mon. |
Related Minerals - Strunz-mindat Grouping
| 5.BA.05 | Azurite | Cu3(CO3)2(OH)2 |
| 5.BA.10 | Georgeite | [Cu(OH)2-x(H2O)x][CO3]x/2 |
| 5.BA.10 | Glaukosphaerite | (Cu,Ni)2(CO3)(OH)2 |
| 5.BA.10 | Kolwezite | CuCo(CO3)(OH)2 |
| 5.BA.10 | Malachite | Cu2(CO3)(OH)2 |
| 5.BA.10 | Mcguinnessite | (Mg,Cu)2(CO3)(OH)2 |
| 5.BA.10 | Nullaginite | Ni2(CO3)(OH)2 |
| 5.BA.10 | Pokrovskite | Mg2(CO3)(OH)2 |
| 5.BA.10 | Rosasite | (Cu,Zn)2(CO3)(OH)2 |
| 5.BA.10 | Zincrosasite | (Zn,Cu)2(CO3)(OH)2 |
| 5.BA.10 | Parádsasvárite | Zn2(CO3)(OH)2 |
| 5.BA.10 | Perchiazziite | Co2(CO3)(OH)2 |
| 5.BA.15 | Aurichalcite | (Zn,Cu)5(CO3)2(OH)6 |
| 5.BA.15 | Hydrozincite | Zn5(CO3)2(OH)6 |
| 5.BA.20 | Holdawayite | Mn6(CO3)2(OH)7(Cl,OH) |
| 5.BA.25 | Defernite | Ca6(CO3)1.58(Si2O7)0.21(OH)7[Cl0.50(OH)0.08(H2O)0.42] |
| 5.BA.25 | UM1977-03-COSiO:CaClH | Ca10-11(CO3)7(SiO4)Cl1-2(OH)1-2 |
| 5.BA.30 | Loseyite | (Mn2+,Zn,Mg)4Zn3(CO3)2(OH)10 |
| 5.BA.30 | Sclarite | Zn7(CO3)2(OH)10 |
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 Chukanovite
mindat.org URL:
https://www.mindat.org/min-28917.html
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References for Chukanovite
Reference List:
Localities for Chukanovite
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.
Germany | |
| Färber (n.d.) |
Italy | |
| Fernando Caboni et al. (2024) |
| Fernando Caboni et al. (2024) |
Poland | |
| Karwowski et al. (2011) +1 other reference |
Russia (TL) | |
| Pekov (2007) +1 other reference |
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Dronino meteorite, Kasimov District, Ryazan Oblast, Russia