The Mighei (CM2) meteorite was observed to fall on 18 Jun 1889. After both sounds and light, a single stone of mass ~ 8 kg was recovered. Mighei is the prototype for the CM (Mighei-like) Carbonaceous Chondrites. There are 15 known CM falls and over 400 recorded finds. Most CM meteorites are petrologic type CM2. While Mighei has been available for a number of research studies, the more massive and thus more available CM2 Murchison meteorite (~100 kg) has often drawn more attention.

Like all carbonaceous chondrites, Mighei and other CM carbonaceous chondrites have nearly solar Mg/Si ratios and similar oxygen isotope ratios. In addition, Mighei and other members of the CM chemical group are distinguished by small chondrules and inclusions, abundant fine-grained matrix (~70 vol%), and abundant hydrated minerals. The CM2 type is further characterized by their Ni-bearing sulfides.

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List

31 valid minerals.

Meteorite/Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

ⓘ CM2 chondrite meteorite

Detailed Mineral List:

ⓘ Aragonite

Formula: CaCO₃

Reference: M. R. Sofe, M. R. Lee & P. Lindgren (2011). Aragonite in the CM carbonaceous chondrites: A proxy for the magnitude of aqueous alteration. 74th Annual Meteoritical Society Meeting (2011), 5250.pdf.

ⓘ Barringerite

Formula: (Fe,Ni)₂P

Reference: M. A. Nazarov, F. Brandstaetter, G. Kurat (1996). Phosphides and P-rich Sulfides in the Mighei (CM) Chondrite (Abstract), Lunar and Planetary Science, volume 27, page 939.

ⓘ Brucite

Formula: Mg(OH)₂

Reference: Ian D. R. Mackinnon (1980). Structures and textures of the Murchison and Mighei carbonaceous chondrite matrices. Proc. Lunar Planetary Sci. Conf. 11th, pp 839-852.

ⓘ Calcite

Formula: CaCO₃

Reference: MacPherson, G. J. (1984). Refractory inclusions in the Mighei C2 meteorite. Abstracts and Program for the 47th Annual Meeting of the Meteoritical Society, Co-sponsored by the University of New Mexico and the Lunar and Planetary Institute LPI Contribution 537, p. 50.

ⓘ 'Chlorite Group'

Reference: Gennady P. Vdovykin (1973). The Mighei Meteorite. Space Science Reviews 14, 832-879.

ⓘ Chromite

Formula: Fe²⁺Cr³⁺₂O₄

Reference: Gennady P. Vdovykin (1973). The Mighei Meteorite. Space Science Reviews 14, 832-879.; Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.

ⓘ Chrysotile

Formula: Mg₃(Si₂O₅)(OH)₄

Reference: Ian D. R. Mackinnon (1980). Structures and textures of the Murchison and Mighei carbonaceous chondrite matrices. Proc. Lunar Planetary Sci. Conf. 11th, pp 839-852.

ⓘ 'Clinopyroxene Subgroup'

Reference: Gennady P. Vdovykin (1973). The Mighei Meteorite. Space Science Reviews 14, 832-879.

ⓘ Cronstedtite

Formula: Fe²⁺₂Fe³⁺((Si,Fe³⁺)₂O₅)(OH)₄

Reference: Ian D. R. MacKinnon (1980). Analytical Electron Microscopy of Matrix Phases in Murchison and Mighei (Abstract). Meteoritics 15, p. 328.

ⓘ Daubréelite

Formula: Fe²⁺Cr³⁺₂S₄

Reference: M. A. Nazarov, F. Brandstaetter, G. Kurat (1996). Phosphides and P-rich Sulfides in the Mighei (CM) Chondrite (Abstract), Lunar and Planetary Science, volume 27, page 939.; Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.

ⓘ Diamond

Formula: C

Reference: A. V. Okotrub, L. G. Bulusheva, A. V. Guselnikov, B. A. Kolesov, Yu. P. Dikov, S. L. Molodtsov (2007). Electronic state of carbon in carbonaceous chondrite meteorites. physica status solidi (b) Vol 244, #11 (Special Issue: Electronic Properties of Novel Nanostructures), 3955–3959. (Nov 2007).

ⓘ Diopside

Formula: CaMgSi₂O₆

ⓘ Enstatite

Formula: Mg₂Si₂O₆

Reference: M. A. Nazarov, F. Brandstaetter, G. Kurat (1996). Phosphides and P-rich Sulfides in the Mighei (CM) Chondrite (Abstract), Lunar and Planetary Science, volume 27, page 939.

ⓘ Epsomite

Formula: MgSO₄ · 7H₂O

Reference: Gennady P. Vdovykin (1973). The Mighei Meteorite. Space Science Reviews 14, 832-879.

ⓘ 'Fayalite-Forsterite Series'

Reference: Gennady P. Vdovykin (1973). The Mighei Meteorite. Space Science Reviews 14, 832-879.

ⓘ Forsterite

Formula: Mg₂SiO₄

Reference: Gennady P. Vdovykin (1973). The Mighei Meteorite. Space Science Reviews 14, 832-879.

ⓘ Goethite

Formula: α-Fe³⁺O(OH)

Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.

ⓘ Graphite

Formula: C

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

Reference: Gennady P. Vdovykin (1973). The Mighei Meteorite. Space Science Reviews 14, 832-879.

ⓘ Hibonite

Formula: CaAl₁₂O₁₉

ⓘ Iron

Formula: Fe

Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.

ⓘ Iron var. Kamacite

Formula: (Fe,Ni)

Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.

ⓘ Isocubanite

Formula: CuFe₂S₃

Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Reference: Gennady P. Vdovykin (1973). The Mighei Meteorite. Space Science Reviews 14, 832-879.

ⓘ Pentlandite

Formula: (Ni_xFe_y)_Σ9S₈

ⓘ Perovskite

Formula: CaTiO₃

ⓘ Pigeonite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

Reference: Ian D. Mackinnon & Peter R. Buseck (1980). Structural and Textural Variations in Carbonaceous Chondrite Matrices (abstract). Lunar and Planetary Science XI, pp. 658-659.

ⓘ Pyrrhotite

Formula: Fe_1-xS

Reference: M. A. Nazarov, F. Brandstaetter, G. Kurat (1996). Phosphides and P-rich Sulfides in the Mighei (CM) Chondrite (Abstract), Lunar and Planetary Science, volume 27, page 939.

ⓘ Schreibersite

Formula: (Fe,Ni)₃P

Reference: M. A. Nazarov, F. Brandstaetter, G. Kurat (1996). Phosphides and P-rich Sulfides in the Mighei (CM) Chondrite (Abstract), Lunar and Planetary Science, volume 27, page 939.

ⓘ 'Serpentine Subgroup'

Formula: D₃[Si₂O₅](OH)₄

Reference: Gennady P. Vdovykin (1973). The Mighei Meteorite. Space Science Reviews 14, 832-879.

ⓘ Sphalerite

Formula: ZnS

Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.

ⓘ Spinel

Formula: MgAl₂O₄

ⓘ Sulphur

Formula: S₈

Reference: Gennady P. Vdovykin (1973). The Mighei Meteorite. Space Science Reviews 14, 832-879.

ⓘ Taenite

Formula: (Fe,Ni)

Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.

ⓘ Tochilinite

Formula: Fe²⁺_5-6(Mg,Fe²⁺)₅S₆(OH)₁₀

Reference: T.V. Shingareva, A. T. Basilevsky, A. V. Fisenko, L. F. Semjonova, N. N. Korotaeva (2004). Mineralogy and Petrology of Laser Irradiated Carbonaceous Chondrite Mighei. Lunar and Planetary Science XXXV, 1137.pdf.

ⓘ Troilite

Formula: FeS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Barringerite	1.BD.10	(Fe,Ni)₂P
ⓘ	Diamond	1.CB.10a	C
ⓘ	Graphite	1.CB.05a	C
ⓘ	Iron	1.AE.05	Fe
ⓘ	var. Kamacite	1.AE.05	(Fe,Ni)
ⓘ	Schreibersite	1.BD.05	(Fe,Ni)₃P
ⓘ	Sulphur	1.CC.05	S₈
ⓘ	Taenite	1.AE.10	(Fe,Ni)
Group 2 - Sulphides and Sulfosalts
ⓘ	Daubréelite	2.DA.05	Fe²⁺Cr³⁺₂S₄
ⓘ	Isocubanite	2.CB.55b	CuFe₂S₃
ⓘ	Pentlandite	2.BB.15	(Ni_xFe_y)_Σ9S₈
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Tochilinite	2.FD.35	Fe²⁺_5-6(Mg,Fe²⁺)₅S₆(OH)₁₀
ⓘ	Troilite	2.CC.10	FeS
Group 4 - Oxides and Hydroxides
ⓘ	Brucite	4.FE.05	Mg(OH)₂
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Goethite	4.00.	α-Fe³⁺O(OH)
ⓘ	Hibonite	4.CC.45	CaAl₁₂O₁₉
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Perovskite	4.CC.30	CaTiO₃
ⓘ	Spinel	4.BB.05	MgAl₂O₄
Group 5 - Nitrates and Carbonates
ⓘ	Aragonite	5.AB.15	CaCO₃
ⓘ	Calcite	5.AB.05	CaCO₃
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Epsomite	7.CB.40	MgSO₄ · 7H₂O
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
Group 9 - Silicates
ⓘ	Chrysotile	9.ED.15	Mg₃(Si₂O₅)(OH)₄
ⓘ	Cronstedtite	9.ED.15	Fe²⁺₂Fe³⁺((Si,Fe³⁺)₂O₅)(OH)₄
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Enstatite	9.DA.05	Mg₂Si₂O₆
ⓘ	Forsterite	9.AC.05	Mg₂SiO₄
ⓘ	Pigeonite	9.DA.10	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Unclassified Minerals, Rocks, etc.
ⓘ	'Chlorite Group'	-
ⓘ	'Clinopyroxene Subgroup'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Epsomite	MgSO₄ · 7H₂O
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
H	ⓘ Brucite	Mg(OH)₂
H	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
H	ⓘ Cronstedtite	Fe₂²⁺Fe³⁺((Si,Fe³⁺)₂O₅)(OH)₄
H	ⓘ Tochilinite	Fe²⁺_5-6(Mg,Fe²⁺)₅S₆(OH)₁₀
H	ⓘ Goethite	α-Fe³⁺O(OH)
C	Carbon
C	ⓘ Aragonite	CaCO₃
C	ⓘ Calcite	CaCO₃
C	ⓘ Graphite	C
C	ⓘ Diamond	C
O	Oxygen
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Epsomite	MgSO₄ · 7H₂O
O	ⓘ Forsterite	Mg₂SiO₄
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
O	ⓘ Pigeonite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Brucite	Mg(OH)₂
O	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
O	ⓘ Cronstedtite	Fe₂²⁺Fe³⁺((Si,Fe³⁺)₂O₅)(OH)₄
O	ⓘ Enstatite	Mg₂Si₂O₆
O	ⓘ Tochilinite	Fe²⁺_5-6(Mg,Fe²⁺)₅S₆(OH)₁₀
O	ⓘ Aragonite	CaCO₃
O	ⓘ Calcite	CaCO₃
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Hibonite	CaAl₁₂O₁₉
O	ⓘ Perovskite	CaTiO₃
O	ⓘ Spinel	MgAl₂O₄
O	ⓘ Goethite	α-Fe³⁺O(OH)
Mg	Magnesium
Mg	ⓘ Epsomite	MgSO₄ · 7H₂O
Mg	ⓘ Forsterite	Mg₂SiO₄
Mg	ⓘ Pigeonite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Brucite	Mg(OH)₂
Mg	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Mg	ⓘ Enstatite	Mg₂Si₂O₆
Mg	ⓘ Tochilinite	Fe²⁺_5-6(Mg,Fe²⁺)₅S₆(OH)₁₀
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Spinel	MgAl₂O₄
Al	Aluminium
Al	ⓘ Hibonite	CaAl₁₂O₁₉
Al	ⓘ Spinel	MgAl₂O₄
Si	Silicon
Si	ⓘ Forsterite	Mg₂SiO₄
Si	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
Si	ⓘ Pigeonite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Si	ⓘ Cronstedtite	Fe₂²⁺Fe³⁺((Si,Fe³⁺)₂O₅)(OH)₄
Si	ⓘ Enstatite	Mg₂Si₂O₆
Si	ⓘ Diopside	CaMgSi₂O₆
P	Phosphorus
P	ⓘ Barringerite	(Fe,Ni)₂P
P	ⓘ Schreibersite	(Fe,Ni)₃P
S	Sulfur
S	ⓘ Epsomite	MgSO₄ · 7H₂O
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
S	ⓘ Sulphur	S₈
S	ⓘ Troilite	FeS
S	ⓘ Daubréelite	Fe²⁺Cr₂³⁺S₄
S	ⓘ Pyrrhotite	Fe_1-xS
S	ⓘ Tochilinite	Fe²⁺_5-6(Mg,Fe²⁺)₅S₆(OH)₁₀
S	ⓘ Isocubanite	CuFe₂S₃
S	ⓘ Sphalerite	ZnS
Ca	Calcium
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Pigeonite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Aragonite	CaCO₃
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Hibonite	CaAl₁₂O₁₉
Ca	ⓘ Perovskite	CaTiO₃
Ti	Titanium
Ti	ⓘ Perovskite	CaTiO₃
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Cr	ⓘ Daubréelite	Fe²⁺Cr₂³⁺S₄
Fe	Iron
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
Fe	ⓘ Troilite	FeS
Fe	ⓘ Pigeonite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Cronstedtite	Fe₂²⁺Fe³⁺((Si,Fe³⁺)₂O₅)(OH)₄
Fe	ⓘ Barringerite	(Fe,Ni)₂P
Fe	ⓘ Daubréelite	Fe²⁺Cr₂³⁺S₄
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Schreibersite	(Fe,Ni)₃P
Fe	ⓘ Tochilinite	Fe²⁺_5-6(Mg,Fe²⁺)₅S₆(OH)₁₀
Fe	ⓘ Iron var. Kamacite	(Fe,Ni)
Fe	ⓘ Taenite	(Fe,Ni)
Fe	ⓘ Isocubanite	CuFe₂S₃
Fe	ⓘ Goethite	α-Fe³⁺O(OH)
Fe	ⓘ Iron	Fe
Ni	Nickel
Ni	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
Ni	ⓘ Barringerite	(Fe,Ni)₂P
Ni	ⓘ Schreibersite	(Fe,Ni)₃P
Ni	ⓘ Iron var. Kamacite	(Fe,Ni)
Ni	ⓘ Taenite	(Fe,Ni)
Cu	Copper
Cu	ⓘ Isocubanite	CuFe₂S₃
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)

Vdovykin, Gennady P. (1973) The Mighei Meteorite. Space Science Reviews, 14, 832-879.

Ramdohr, P. (1973) The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.

Mackinnon, Ian D.R. (1980) Structures and textures of the Murchison and Mighei carbonaceous chondrite matrices. Proceedings of the 11th Lunar Planetary Science Conference, 839-852.

Nazarov, M.A., Brandstaetter, F., Kurat, G. (1996) Phosphides and P-rich Sulfides in the Mighei (CM) Chondrite (Abstract), Lunar and Planetary Science, 27, 939.

Grady, Monica M. (2000) Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge, New York, Oakleigh, Madrid, Cape Town. 690 pages.

Shingareva, T.V., Basilevsky, A.T., Fisenko, A.V., Semjonova, L.F., Korotaeva, N.N. (2004) Mineralogy and Petrology of Laser Irradiated Carbonaceous Chondrite Mighei. Lunar and Planetary Science XXXV, 1137.pdf.

Sofe, M.R., Lee, M.R., Lindgren, P. (2011) Aragonite in the CM carbonaceous chondrites: A proxy for the magnitude of aqueous alteration. 74th Annual Meteoritical Society Meeting, 5250.pdf.

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Mineral List

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Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

References

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Mighei meteorite, Mykolayiv Oblast, Ukraine i
Regional Level Types
Mighei meteorite Meteorite Fall Location
Mykolayiv Oblast Oblast
Ukraine Country