Tegengrenite

A valid IMA mineral species

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Tegengrenite, etc.

Kitteln Mine, Nordmark Odal Field, Filipstad, Värmland County, Sweden

Tegengrenite, etc.

Nordmark Odal Field, Filipstad, Värmland County, Sweden

Tegengrenite, etc.

Kitteln Mine, Nordmark Odal Field, Filipstad, Värmland County, Sweden

Tegengrenite, etc.

Kitteln Mine, Nordmark Odal Field, Filipstad, Värmland County, Sweden

Tegengrenite, etc.

Nordmark Odal Field, Filipstad, Värmland County, Sweden

Tegengrenite, etc.

Kitteln Mine, Nordmark Odal Field, Filipstad, Värmland County, Sweden

Tegengrenite, etc.

Kitteln Mine, Nordmark Odal Field, Filipstad, Värmland County, Sweden

Tegengrenite, etc.

Nordmark Odal Field, Filipstad, Värmland County, Sweden

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About TegengreniteHide

Felix R. Tegengren

Formula:

(Mn³⁺_0.5Sb⁵⁺_0.5)Mg₂O₄

Colour:

Deep ruby red

Lustre:

Sub-Adamantine

Specific Gravity:

4.58 (Calculated)

Crystal System:

Trigonal

Member of:

Ulvöspinel Subgroup > Oxyspinel Group > Spinel Supergroup

Name:

Named in honor of Felix Reinhold Tegengren (5 May 1884, Vasa, Finland - 2 March 1980, Sollentuna, Sweden), geologist and expert on ore deposits of Sweden and China.

Type Locality:

ⓘ Jakobsberg Mine, Jakobsberg ore field, Nordmark mining district, Filipstad, Värmland County, Sweden

The Mn³⁺ analogue of filipstadite.

Chemically somewhatvsimilar to manganoschafarzikite, melanostibite, garpenbergite.

Unique IdentifiersHide

Mindat ID:

7072

Long-form identifier:

mindat:1:1:7072:6

IMA Classification of TegengreniteHide

IMA status:

Approved

IMA status notes:

Redefined by the IMA

Approval year:

1999

First published:

2000

Approval history:

Redefined by IMA as (Mn³⁺_0.5Sb⁵⁺_0.5)Mg₂O₀₄ (Bosi et al., 2019).

Type description reference:

Holtstam, Dan, Larsson, Ann-Kristin (2000) Tegengrenite, a new, rhombohedral spinel-related Sb mineral from the Jakobsberg Fe-Mn deposit, Värmland, Sweden. American Mineralogist, 85 (9) 1315-1320 doi:10.2138/am-2000-8-926

Classification of TegengreniteHide

Strunz-mindat (2026):

4.BB.20

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

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
Teg	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 TegengreniteHide

Lustre:

Sub-Adamantine

Transparency:

Translucent

Colour:

Deep ruby red

Tenacity:

Brittle

Cleavage:

None Observed

Fracture:

Conchoidal

Density:

4.58 g/cm³ (Calculated)

Optical Data of TegengreniteHide

Anisotropism:

observed

Reflectivity:

Wavelength	R₁ (%)
470nm	10.4%
546nm	10.0%
589nm	9.9%
650nm	9.8%

Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 10.4%.

Colour in reflected light:

gray

Internal Reflections:

orange-red

Chemistry of TegengreniteHide

Mindat Formula:

(Mn³⁺_0.5Sb⁵⁺_0.5)Mg₂O₄

Element Weights:

Element	% weight
O	56.832 %
Mg	43.168 %
Mn	0.000 %
Sb	0.000 %

Calculated from ideal end-member formula.

Elements listed:

Mg, Mn, O, Sb - search for minerals with similar chemistry

Crystallography of TegengreniteHide

Crystal System:

Trigonal

Class (H-M):

3 - Pyramidal

Space Group:

Cell Parameters:

a = 16.0825(9) Å, c = 14.8144(8) Å

Ratio:

a:c = 1 : 0.921

Unit Cell V:

3,318.35 Å³ (Calculated from Unit Cell)

Morphology:

Pseudocubic

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
4.98 Å	(20)
4.32 Å	(19)
4.24 Å	(18)
3.052 Å	(33)
2.608 Å	(100)
2.162 Å	(28)
1.665 Å	(30)
1.531 Å	(26)
1.527 Å	(29)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
High-? alteration and/or metamorphism
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits

Type Occurrence of TegengreniteHide

Type Locality:

ⓘ Jakobsberg Mine, Jakobsberg ore field, Nordmark mining district, Filipstad, Värmland County, Sweden

General Appearance of Type Material:

Deep red octahedra up to 150 μm in size

Place of Conservation of Type Material:

Swedish Museum of Natural History, Stockholm (980408).

Empirical Formula of Type Material:

Mg²⁺_1.22Mn²⁺_0.82Zn_0.07(Sb_0.50Mn³⁺_0.23Si_0.06Ti_0.04Al_0.03Fe_0.02)O₄

Chemical Analysis of Type Material:

MgO	21.83 %
Al₂O₃	0.76 %
SiO₂	1.70 %
Sb₂O₅	36.13 %
TiO₂	1.40 %
Fe₂O₃	0.78 %
MnO	25.74 %
Mn₂O₃	8.14 %
ZnO	2.66 %
Total:	99.14 %

Geological Setting of Type Material:

Manganese ore

Associated Minerals at Type Locality:

Barytocalcite	Bindheimite	Brucite	Calcite	Cerussite
Clinohumite	Dolomite	Hausmannite	Kinoshitalite	Native Copper

Reference:

Synonyms of TegengreniteHide

IMA1999-002

Other Language Names for TegengreniteHide

Dutch:Tegengreniet

German:Tegengrenit

Spanish:Tegengrenita

Relationship of Tegengrenite to other SpeciesHide

Member of:

Ulvöspinel Subgroup > Oxyspinel Group > Spinel Supergroup

Other Members of Ulvöspinel Subgroup:

Ahrensite	SiFe₂O₄	Iso. m3m(4/m32/m) : Fd3m
Brunogeierite	Ge⁴⁺Fe²⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
Filipstadite	(Fe³⁺_0.5Sb⁵⁺_0.5)Mn₂O₄	Iso.
Qandilite	(Mg,Fe³⁺)₂(Ti,Fe³⁺,Al)O₄	Iso. m3m(4/m32/m) : Fd3m
Ringwoodite	(Mg,Fe²⁺)₂SiO₄	Iso. m3m(4/m32/m) : Fd3m
Ulvöspinel	TiFe²⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m

Common AssociatesHide

Associations Based on Photo Data:

4 photos of Tegengrenite associated with Hausmannite	Mn²⁺Mn³⁺₂O₄
4 photos of Tegengrenite associated with Manganosite	MnO
1 photo of Tegengrenite associated with Pyrochroite	Mn(OH)₂
1 photo of Tegengrenite associated with Ingersonite	Ca₃Mn²⁺Sb⁵⁺₄O₁₄
1 photo of Tegengrenite associated with Filipstadite	(Fe³⁺_0.5Sb⁵⁺_0.5)Mn₂O₄
1 photo of Tegengrenite associated with Katoptrite	(Mn²⁺,Mg)₁₃(Al,Fe³⁺)₄Sb⁵⁺₂(SiO₄)₂O₂₀
1 photo of Tegengrenite associated with Calcite	CaCO₃

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.	Jordanówite	Zr(Ti³⁺Zr)Ti³⁺₄AlO₁₆	Tet. 4/m : I4₁/a
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. m3m(4/m32/m) : Fd3m
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	Magnesiocoulsonite	MgV₂O₄	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.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

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 TegengreniteHide

mindat.org URL:

https://www.mindat.org/min-7072.html
Please feel free to link to this page.

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External Links:

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

Mineral Dealers:

Buy from D. Joyce minerals

References for TegengreniteHide

Reference List:

Bosi, Ferdinando, Biagioni, Cristian, Pasero, Marco (2019) Nomenclature and classification of the spinel supergroup. European Journal of Mineralogy, 31 (1) 183-192 doi:10.1127/ejm/2019/0031-2788

(2021) Tegengrenite. Handbook of Mineralogy. Mineralogical Society of America

Localities for TegengreniteHide

Showing 3 localities.

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

symbol to view information about a locality. The

symbol next to localities in the list can be used to jump to that position on the map.

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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.


Sweden
Värmland County Filipstad Långban Ore District ⓘ Långban Mine	Gatedal (2003)
Nordmark mining district Jakobsberg ore field ⓘ Jakobsberg Mine (TL)	Holtstam et al. (2000) +5 other references
ⓘ Nordmark Odal Field	Gatedal (n.d.) +1 other reference

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Tegengrenite

About TegengreniteHide

Unique IdentifiersHide

IMA Classification of TegengreniteHide

Classification of TegengreniteHide

Mineral SymbolsHide

Physical Properties of TegengreniteHide

Optical Data of TegengreniteHide

Chemistry of TegengreniteHide

Crystallography of TegengreniteHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of TegengreniteHide

Synonyms of TegengreniteHide

Other Language Names for TegengreniteHide

Relationship of Tegengrenite to other SpeciesHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for TegengreniteHide

References for TegengreniteHide

Localities for TegengreniteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide