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Magnesiocoulsonite

A valid IMA mineral species

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Magnesiocoulsonite

Pereval marble quarry, Slyudyanka, Slyudyansky District, Irkutsk Oblast, Russia

Magnesiocoulsonite, etc.

Pereval marble quarry, Slyudyanka, Slyudyansky District, Irkutsk Oblast, Russia

Magnesiocoulsonite, etc.

Pereval marble quarry, Slyudyanka, Slyudyansky District, Irkutsk Oblast, Russia

Magnesiocoulsonite

Pereval marble quarry, Slyudyanka, Slyudyansky District, Irkutsk Oblast, Russia

Magnesiocoulsonite, etc.

Pereval marble quarry, Slyudyanka, Slyudyansky District, Irkutsk Oblast, Russia

Magnesiocoulsonite, etc.

Pereval marble quarry, Slyudyanka, Slyudyansky District, Irkutsk Oblast, Russia

Magnesiocoulsonite

Pereval marble quarry, Slyudyanka, Slyudyansky District, Irkutsk Oblast, Russia

Magnesiocoulsonite, etc.

Pereval marble quarry, Slyudyanka, Slyudyansky District, Irkutsk Oblast, Russia

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About MagnesiocoulsoniteHide

Arthur L. Coulson

Formula:

MgV₂O₄

Colour:

Black

Lustre:

Metallic

Hardness:

6½

Specific Gravity:

4.31 (Calculated)

Crystal System:

Isometric

Member of:

Spinel Subgroup > Oxyspinel Group > Spinel Supergroup

Name:

Named for its relationship to coulsonite and for dominant magnesium. The root name is in honor of Dr. Arthur Lennox Coulson (25 January 1898, Elsternwick, Victoria, Australia - 1955, Melbourne, Australia), Geological Survey of India.

Type Locality:

ⓘ Pereval marble quarry, Slyudyanka, Slyudyansky District, Irkutsk Oblast, Russia

Unique IdentifiersHide

Mindat ID:

2476

Long-form identifier:

mindat:1:1:2476:7

IMA Classification of MagnesiocoulsoniteHide

IMA status:

Approved

IMA Formula:

MgV³⁺₂O₄

Approval year:

1994

First published:

1995

Type description reference:

Reznitskii, L.Z., Sklyarov, E.V., Ushchapovskaya, Z.F. (1995) Magnesiocoulsonite MgV2O4 — a new mineral species in the spinel group. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 124(4): 91-98.

Classification of MagnesiocoulsoniteHide

Strunz-mindat (2026):

4.BB.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
B : Metal: Oxygen = 3:4 and similar
B : With only medium-sized cations

Dana 8th ed.:

7.2.4.3

7 : MULTIPLE OXIDES
2 : AB₂X₄

Mineral SymbolsHide

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
Mcou	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 MagnesiocoulsoniteHide

Lustre:

Metallic

Transparency:

Opaque

Colour:

Black

Streak:

Black

Hardness:

6½ on Mohs scale

Hardness:

VHN₁₀₀=873 - 1080 kg/mm² - Vickers

Tenacity:

Brittle

Fracture:

Irregular/Uneven

Density:

4.31 g/cm³ (Calculated)

Optical Data of MagnesiocoulsoniteHide

Type:

Isotropic

Reflectivity:

Wavelength	R₁ (%)
400nm	14.3%
420nm	14.2%
440nm	14.1%
460nm	14.0%
480nm	13.9%
500nm	13.8%
520nm	13.8%
540nm	13.7%
560nm	13.7%
580nm	13.7%
600nm	13.7%
620nm	13.7%
640nm	13.7%
660nm	13.8%
680nm	13.8%
700nm	13.7%

Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 14.3%.

Colour in reflected light:

Light gray

Chemistry of MagnesiocoulsoniteHide

Mindat Formula:

MgV₂O₄

Element Weights:

Element	% weight
V	53.570 %
O	33.650 %
Mg	12.780 %

Calculated from ideal end-member formula.

Elements listed:

Mg, O, V - search for minerals with similar chemistry

Crystallography of MagnesiocoulsoniteHide

Crystal System:

Isometric

Class (H-M):

m3m(4/m32/m) - Hexoctahedral

Cell Parameters:

a = 8.385 Å

Unit Cell V:

589.53 Å³ (Calculated from Unit Cell)

Morphology:

grains, equant, may be crudely octahedral, to 0.3 mm.

Comment:

Space Group: F d3m

Crystal StructureHide

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Unit Cell | Unit Cell Packed
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)
0015755	Magnesiocoulsonite	Rudorff W, Reuter B (1947) Die struktur der magnesium- und zink-vanadinspinelle Zeitschrift fur Anorganische und Allgemeine Chemie 253 194-208		1947	synthetic	0	293
0015787	Magnesiocoulsonite	Reuter B, Aust R, Colsmann G, Neuwald C (1983) Darstellung und eigenschaften vanadium(II)-haltiger und damit n-leitender vanadium(III)-spinelle Zeitschrift fur Anorganische und Allgemeine Chemie 500 188-198		1983		0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Magnesiocoulsonite'
loop_
_publ_author_name
'Rudorff W'
'Reuter B'
_journal_name_full 'Zeitschrift fur Anorganische und Allgemeine Chemie'
_journal_volume 253 
_journal_year 1947
_journal_page_first 194
_journal_page_last 208
_publ_section_title
;
 Die struktur der magnesium- und zink-vanadinspinelle
;
_database_code_amcsd 0015755
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Mg V2 O4'
_cell_length_a 8.394
_cell_length_b 8.394
_cell_length_c 8.394
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 591.435
_exptl_crystal_density_diffrn      4.272
_symmetry_space_group_name_H-M 'F d 3 m'
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loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Mg   0.00000   0.00000   0.00000
V   0.62500   0.62500   0.62500
O   0.38900   0.38900   0.38900

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
2.52 Å	(10)
4.84 Å	(9)
1.482 Å	(9)
2.093 Å	(8)
1.612 Å	(8)
1.092 Å	(7)
1.048 Å	(5)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 5: Initiation of plate tectonics	<3.5-2.5
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)

Type Occurrence of MagnesiocoulsoniteHide

Type Locality:

ⓘ Pereval marble quarry, Slyudyanka, Slyudyansky District, Irkutsk Oblast, Russia

General Appearance of Type Material:

Black, irregular grains up to 0.25 mm.

Place of Conservation of Type Material:

Fersman Mineralogical Museum, Moscow, Russia.88235–88237

Associated Minerals at Type Locality:

Calcite	Chlorite Group	Diopside	Goldmanite	Karelianite
Magnesiochromite	Muscovite	Pyrite	Quartz	Tremolite

Reference:

Synonyms of MagnesiocoulsoniteHide

IMA1994-034

Other Language Names for MagnesiocoulsoniteHide

Dutch:Magnesiocoulsoniet

German:Magnesiocoulsonit

Russian:Магнезиокулсонит

Spanish:Magnesiocoulsonita

Relationship of Magnesiocoulsonite to other SpeciesHide

Member of:

Spinel Subgroup > Oxyspinel Group > Spinel Supergroup

Other Members of Spinel Subgroup:

Chihmingite	NiAl₂O₄	Iso. m3m(4/m32/m) : Fd3m
Chromite	Fe²⁺Cr³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
Cochromite	CoCr₂O₄	Iso. m3m(4/m32/m) : Fd3m
Coulsonite	Fe²⁺V³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
Cuprospinel	Cu²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
Dellagiustaite	V²⁺Al₂O₄	Iso. m3m(4/m32/m) : Fd3m
Deltalumite	(Al_0.67◻_0.33)Al₂O₄	Tet. 42m : P4m2
Franklinite	Zn²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
Gahnite	ZnAl₂O₄	Iso. m3m(4/m32/m) : Fd3m
Galaxite	Mn²⁺Al₂O₄	Iso. m3m(4/m32/m) : Fd3m
Guite	Co²⁺Co³⁺₂O₄	Iso.
Hausmannite	Mn²⁺Mn³⁺₂O₄	Tet. 4/mmm(4/m2/m2/m) : I4₁/amd
Hercynite	Fe²⁺Al₂O₄	Iso. m3m(4/m32/m) : Fd3m
Hetaerolite	ZnMn₂O₄	Tet. 4/mmm(4/m2/m2/m) : I4₁/amd
Jacobsite	Mn²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
'Jacobsite-Q'	Mn²⁺(Fe³⁺,Mn³⁺)₂O₄	Tet. 4/mmm(4/m2/m2/m) : I4₁/amd
Maghemite	(Fe³⁺_0.67◻_0.33)Fe³⁺₂O₄	Iso. 432 : P4₁32
Magnesiochromite	MgCr₂O₄	Iso. m3m(4/m32/m) : Fd3m
Magnesioferrite	MgFe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
Magnetite	Fe²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
Manganochromite	Mn²⁺Cr₂O₄	Iso. m3m(4/m32/m) : Fd3m
'Nichromite'	(Ni,Co,Fe)(Cr,Fe,Al)₂O₄	Iso. m3m(4/m32/m) : Fd3m
Spinel	MgAl₂O₄	Iso. m3m(4/m32/m) : Fd3m
Thermaerogenite	CuAl₂O₄	Iso. m3m(4/m32/m) : Fd3m
Titanomaghemite	(Ti⁴⁺_0.5◻_0.5)Fe³⁺₂O₄	Iso. 432 : P4₃32
Trevorite	Ni²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
'UM1994-06-O:AlCo'	CoAl₂O₄
Vuorelainenite	Mn²⁺V³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
Zincochromite	ZnCr₂O₄	Iso. m3m(4/m32/m) : Fd3m

Common AssociatesHide

Associations Based on Photo Data:

6 photos of Magnesiocoulsonite associated with Calcite	CaCO₃
6 photos of Magnesiocoulsonite associated with 'Chrome-Tremolite'	◻{Ca₂}{Mg₅}(Si₈O₂₂)(OH)₂
2 photos of Magnesiocoulsonite associated with 'Chromium-bearing Diopside'	Ca(Mg,Cr)Si₂O₆

Related Minerals - Strunz-mindat Grouping Hide

4.BB.	Chenmingite	FeCr₂O₄	Orth. mmm(2/m2/m2/m) : Pnma
4.BB.	Thermaerogenite	CuAl₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.	Chukochenite	LiAl₅O₈	Orth. mmm(2/m2/m2/m) : Imma
4.BB.	Elgoresyite	(Mg₅Si₂)O₉	Mon. 2/m : B2/m
4.BB.	Jianmuite	ZrTi⁴⁺Ti³⁺₅Al₃O₁₆	Tet. 4 : I4
4.BB.	Dellagiustaite	V²⁺Al₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.	Garpenbergite	Mn₆◻AsSbO₁₀(OH)₂	Orth. mmm(2/m2/m2/m)
4.BB.	Magnéliite	Ti³⁺₂Ti⁴⁺₂O₇	Tric. 1 : P1
4.BB.05	Qandilite	(Mg,Fe³⁺)₂(Ti,Fe³⁺,Al)O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Chromite	Fe²⁺Cr³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Filipstadite	(Fe³⁺_0.5Sb⁵⁺_0.5)Mn₂O₄	Iso.
4.BB.05	Jacobsite	Mn²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Wernerkrauseite	Ca(Fe³⁺,Mn³⁺)₂Mn⁴⁺O₆	Orth. mmm(2/m2/m2/m) : Pnma
4.BB.05	Harmunite	CaFe₂O₄	Orth. mmm(2/m2/m2/m) : Pbcm
4.BB.05	Zincochromite	ZnCr₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Deltalumite	(Al_0.67◻_0.33)Al₂O₄	Tet. 42m : P4m2
4.BB.05	Franklinite	Zn²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Cochromite	CoCr₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	'Nichromite'	(Ni,Co,Fe)(Cr,Fe,Al)₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Hercynite	Fe²⁺Al₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Gahnite	ZnAl₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Galaxite	Mn²⁺Al₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Guite	Co²⁺Co³⁺₂O₄	Iso.
4.BB.05	Coulsonite	Fe²⁺V³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Vuorelainenite	Mn²⁺V³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Spinel	MgAl₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Cuprospinel	Cu²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Manganochromite	Mn²⁺Cr₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Trevorite	Ni²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Magnesiochromite	MgCr₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Magnesioferrite	MgFe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Magnetite	Fe²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Ulvöspinel	TiFe²⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.10	Hausmannite	Mn²⁺Mn³⁺₂O₄	Tet. 4/mmm(4/m2/m2/m) : I4₁/amd
4.BB.10	Hetaerolite	ZnMn₂O₄	Tet. 4/mmm(4/m2/m2/m) : I4₁/amd
4.BB.10	Manganostibite	(Mn,Fe)₇SbAsO₁₂	Orth. mmm(2/m2/m2/m)
4.BB.15	Titanomaghemite	(Ti⁴⁺_0.5◻_0.5)Fe³⁺₂O₄	Iso. 432 : P4₃32
4.BB.15	Maghemite	(Fe³⁺_0.67◻_0.33)Fe³⁺₂O₄	Iso. 432 : P4₁32
4.BB.20	Tegengrenite	(Mn³⁺_0.5Sb⁵⁺_0.5)Mg₂O₄	Trig. 3 : R3
4.BB.25	Xieite	Fe²⁺Cr₂O₄	Orth. mmm(2/m2/m2/m)
4.BB.30	Carmeltazite	ZrAl₂Ti₄O₁₁	Orth. mmm(2/m2/m2/m) : Pnma
4.BB.35	Feiite	Fe²⁺₂(Fe²⁺Ti⁴⁺)O₅	Orth. mmm(2/m2/m2/m) : Cmcm
4.BB.40	Maohokite	MgFe₂O₄	Orth. mmm(2/m2/m2/m) : Pnma
4.BB.45	Tschaunerite	(Fe²⁺)(Fe²⁺Ti⁴⁺)O₄	Orth. mmm(2/m2/m2/m) : Cmcm

Other InformationHide

Notes:

Insoluble in HCl and HNO3.

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

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References for MagnesiocoulsoniteHide

Reference List:

Rüdorff, Walter, Reuter, Bertold (1947) Die Struktur der Magnesium- und Zink- Vanadinspinelle. Beitrag zur Struktur der Spinelle. Zeitschrift für anorganische Chemie, 253 (3) 194-208 doi:10.1002/zaac.19472530311

Reuter, B., Aust, R., Colsmann, G., Neuwald, Ch. (1983) Über Oxidsysteme mit Übergangsmetallionen in verschiedenen Oxydationsstufen. XIX. Darstellung und Eigenschaften Vanadium(II)‐haltiger und damit n‐leitender Vanadium(III)‐Spinelle. Zeitschrift für anorganische und allgemeine Chemie, 500 (5). 188-198 doi:10.1002/zaac.19835000522

Mamiya, Hiroaki, Onoda, Masashige (1995) Electronic states of vanadium spinels MgV2O4 and ZnV2O4. Solid State Communications, 95 (4). 217-221 doi:10.1016/0038-1098(95)00253-7

Jambor, J.L., Kovalenker, V.A., Puziewics, J., Roberts, A.C. (1996) New mineral names. American Mineralogist: 81: 1282-1286.

Mandarino, Joseph A. (1996) Abstracts of New Mineral Descriptions. The Mineralogical Record, 27 (4) 301-306

Mamiya, H., Onoda, M., Furubayashi, T., Tang, J., Nakatani, I. (1997) Structural and magnetic studies on vanadium spinel MgV2O4. Journal of Applied Physics, 81 (8). 5289-5291 doi:10.1063/1.364518

Wang, Xiandong, Zhang, Hong, Sinkler, Wharton, Poeppelmeier, Kenneth R, Marks, Laurence D (1998) Reduction of magnesium orthovanadate Mg3(VO4)2. Journal of Alloys and Compounds, 270. 88-94 doi:10.1016/s0925-8388(97)00471-4

(2005) Magnesiocoulsonite. Handbook of Mineralogy. Mineralogical Society of America

Localities for MagnesiocoulsoniteHide

Showing 3 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

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Locality ListHide

- 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.


Russia (TL)
Irkutsk Oblast Slyudyansky District Slyudyanka ⓘ Pereval marble quarry (TL)	Reznitskii et al. (1995)

Spain
Canary Islands Santa Cruz de Tenerife Province Tenerife Candelaria Barranco Hondo ⓘ ~~Lava flow~~	Dill et al. (2023)
ⓘ ~~Los Humilladeros~~	Dill et al. (2023)

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Magnesiocoulsonite

About MagnesiocoulsoniteHide

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Relationship of Magnesiocoulsonite to other SpeciesHide

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Related Minerals - Strunz-mindat GroupingHide

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