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Tyrrellite

A valid IMA mineral species - grandfathered

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Photos of Tyrrellite (32)Discuss Tyrrellite

Tyrrellite Gallery Search Photos of Tyrrellite

Edit Tyrrellite Add Synonym Edit CIF structures Clear Cache

Tyrrellite, etc.

Eagle Claims U-Cu-Se occurrence, Beaverlodge Lake area, Saskatchewan, Canada

Tyrrellite, etc.

Eagle Claims U-Cu-Se occurrence, Beaverlodge Lake area, Saskatchewan, Canada

Tyrrellite, etc.

Bukov Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic

Tyrrellite, etc.

Eagle Claims U-Cu-Se occurrence, Beaverlodge Lake area, Saskatchewan, Canada

Tyrrellite, etc.

Eagle Claims U-Cu-Se occurrence, Beaverlodge Lake area, Saskatchewan, Canada

Tyrrellite, etc.

Bukov Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic

Tyrrellite, etc.

Eagle Claims U-Cu-Se occurrence, Beaverlodge Lake area, Saskatchewan, Canada

Tyrrellite, etc.

Eagle Claims U-Cu-Se occurrence, Beaverlodge Lake area, Saskatchewan, Canada

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About TyrrelliteHide

Joseph Burr Tyrrell

Formula:

Cu(Co,Ni)₂Se₄

Also given as Cu(Co³⁺,Ni³⁺)₂Se₄.

Colour:

Bronze

Lustre:

Metallic

Hardness:

3½

Specific Gravity:

6.6

Crystal System:

Isometric

Member of:

Seleniospinel Group > Spinel Supergroup

Name:

Informally named by S.C. Robinson in honor of Joseph Burr Tyrrell (1 November 1858, Weston, Ontario, Canada - 26 August 1957, Toronto, Ontario, Canada), geologist, Geological Survey of Canada. Tyrrell was an early explorer and surveyor of northern Canada, especially the area between Lake Athabasca and Hudson Bay.

Robinson & Brooker (1952) gave a partial description of an unnamed selenide from Ato Bay (TL2), which according to Harris (1970) was later informally named tyrrellite by Robinson. The name appeared in Hey (1963) and Sendeeva (1964) without explanation. It was formally confirmed as a new species by Harris (1970), who completed the full description of the mineral on material from the Eagle claims (TL1) (Horváth 2003).

Co-Type Localities:

ⓘ Eagle Claims U-Cu-Se occurrence, Beaverlodge Lake area, Saskatchewan, Canada
ⓘ Ato Bay, Beaverlodge Lake, Goldfields District, Beaverlodge Lake area, Saskatchewan, Canada

Isostructural with:

Nickeltyrrellite

Se analogue of carrollite and Co analogue of nickeltyrrellite. Unique combination of elements (2024).
Compare bornhardtite.

Occurs as small grains that look like clausthalite without the cleavage.

Unique IdentifiersHide

Mindat ID:

4071

Long-form identifier:

mindat:1:1:4071:2

Similar NamesHide

Teralite	A synonym of 'Theralite'
Teruelite	A variety of Dolomite	CaMg(CO₃)₂
Torrelite (of Thompson)	A synonym of 'Columbite'
Tyrolite	A valid IMA mineral species - grandfathered	Ca₂Cu₉(AsO₄)₄(CO₃)(OH)₈ · 11H₂O
Tyrolite (of Delamétherie)	A synonym of Lazulite

IMA Classification of TyrrelliteHide

IMA status:

Approved, 'Grandfathered' (first described prior to 1959)

IMA Formula:

Cu²⁺(Co³⁺,Ni³⁺)₂Se^2-₄

Approval year:

1970

First published:

1970

Classification of TyrrelliteHide

Strunz-mindat (2026):

2.DA.05

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
A : M:S = 3:4

Dana 8th ed.:

2.10.1.4

2 : SULFIDES
10 : A_mB_nX_p, with (m+n):p = 3:4

Hey's CIM Ref.:

3.11.20

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
11 : Sulphides etc. of Ni

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

Symbol	Source	Reference for Standard
Ty	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
Ty	The Canadian Mineralogist (2019)	The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Pronunciation of TyrrelliteHide

Pronunciation:

Play	Recorded by	Country
	Jolyon Ralph	United Kingdom

Physical Properties of TyrrelliteHide

Lustre:

Metallic

Transparency:

Opaque

Colour:

Bronze

Streak:

Black

Hardness:

3½ on Mohs scale

Hardness:

VHN₁₀₀=343 kg/mm² - Vickers

Tenacity:

Brittle

Cleavage:

Poor/Indistinct
{001}

Fracture:

Sub-Conchoidal

Density:

6.6 g/cm³ (Measured) 6.59 g/cm³ (Calculated)

Optical Data of TyrrelliteHide

Reflectivity:

Wavelength	R₁ (%)
400nm	41.8%
420nm	42.6%
440nm	43.5%
460nm	44.4%
480nm	45.0%
500nm	45.5%
520nm	45.9%
540nm	46.3%
560nm	46.5%
580nm	46.8%
600nm	47.0%
620nm	47.3%
640nm	47.5%
660nm	47.6%
680nm	47.8%
700nm	48.0%

Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 48.0%.

Colour in reflected light:

Pale brassy bronze, light bronze with a distinct pinkish shade

Comments:

The reflected colour is particularly distinctive when compared to clausthalite.

Chemistry of TyrrelliteHide

Mindat Formula:

Cu(Co,Ni)₂Se₄

Also given as Cu(Co³⁺,Ni³⁺)₂Se₄.

Element Weights:

Element	% weight
Se	63.517 %
Co	23.704 %
Cu	12.779 %

Calculated from ideal end-member formula.

Elements listed:

Co, Cu, Ni, Se - search for minerals with similar chemistry

Chemical AnalysisHide

wt%

	1
Co	17.42 %
Cu	12.35 %
Ni	8.05 %
Se	62.7 %
Total:	100.52 %

Empirical formulas:

Sample ID	Empirical Formula
1	Cu_0.98(Co_1.49Ni_0.69)_2.18Se_4.0

Sample references:

ID	Locality	Reference	Notes
1	Eagle Claims U-Cu-Se occurrence, Beaverlodge Lake area, Saskatchewan, Canada	Harris, D. C. (1970) New data on tyrrellite. The Canadian Mineralogist, 10 (4) 731-736	EMPA analysis of irregular to subhedral grains to 0.2mm in umangite.

Crystallography of TyrrelliteHide

Crystal System:

Isometric

Class (H-M):

m3m(4/m32/m) - Hexoctahedral

Space Group:

Fd3m

Cell Parameters:

a = 10.005 Å

Unit Cell V:

1,001.50 Å³ (Calculated from Unit Cell)

Morphology:

granular

Crystal StructureHide

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Unit Cell | Unit Cell Packed
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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)
0010334	Tyrrellite	Yang H, Hubler D K, Lavina B, Downs R T, Costin G (2007) Tyrrellite, Cu(Co0.68Ni0.32)2Se4, isostructural with spinel Acta Crystallographica C63 i73-i74		2007	Eagle Claims, Beaverlodge Lake area, Saskatchewan, Canada	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Tyrrellite'
loop_
_publ_author_name
'Yang H'
'Hubler D K'
'Lavina B'
'Downs R T'
'Costin G'
_journal_name_full 'Acta Crystallographica, Section C'
_journal_volume 63 
_journal_year 2007
_journal_page_first i73
_journal_page_last i74
_publ_section_title
;
 Tyrrellite, Cu(Co0.68Ni0.32)2Se4, isostructural with spinel
;
_database_code_amcsd 0010334
_chemical_compound_source 'Eagle Claims, Beaverlodge Lake area, Saskatchewan, Canada'
_chemical_formula_sum 'Cu (Co1.36 Ni.64) Se4'
_cell_length_a 9.98850
_cell_length_b 9.98850
_cell_length_c 9.98850
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 996.554
_exptl_crystal_density_diffrn      6.626
_symmetry_space_group_name_H-M 'F d 3 m'
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loop_
_atom_site_label
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_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Cu   0.12500   0.12500   0.12500   1.00000   0.01020
Co   0.50000   0.00000   0.00000   0.68000   0.00624
Ni   0.50000   0.00000   0.00000   0.32000   0.00624
Se   0.26192  -0.01192  -0.01192   1.00000   0.00705
loop_
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_atom_site_aniso_U_13
_atom_site_aniso_U_23
Cu 0.01020 0.01020 0.01020 0.00000 0.00000 0.00000
Co 0.00624 0.00624 0.00624 -0.00031 -0.00031 -0.00031
Ni 0.00624 0.00624 0.00624 -0.00031 -0.00031 -0.00031
Se 0.00705 0.00705 0.00705 0.00027 0.00027 -0.00027

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
5.78 Å	(40)
3.54 Å	(40)
3.02 Å	(60)
2.89 Å	(70)
2.50 Å	(90)
1.93 Å	(60)
1.77 Å	(100)
1.51 Å	(40)

Comments:

8-1

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of TyrrelliteHide

Co-Type Localities:

ⓘ Eagle Claims U-Cu-Se occurrence, Beaverlodge Lake area, Saskatchewan, Canada
ⓘ Ato Bay, Beaverlodge Lake, Goldfields District, Beaverlodge Lake area, Saskatchewan, Canada

General Appearance of Type Material:

Grains, rounded or subhedral cubes.

Place of Conservation of Type Material:

Canadian Geological Survey, Ottawa, Ontario, Canada, number either 61592 (Handbook of Mineralogy) or 61952 (IMA Catalogue of type mineral specimens).
Royal Ontario Museum, Toronto, Canada, numbers M26095, M26096.
Muséum Nationale d’Histoire Naturelle, Paris, France, number 180.53.

Geological Setting of Type Material:

Selenide deposit composed primarily of umangite.

Associated Minerals at Type Locality:

Umangite	Klockmannite	Clausthalite	Pyrite	Hematite
Chalcopyrite	Berzelianite

Synonyms of TyrrelliteHide

Tyrellite

Other Language Names for TyrrelliteHide

Dutch:Tyrrelliet

German:Tyrrellit

Russian:Тирреллит

Simplified Chinese:硒铜钴矿

Spanish:Tyrrellita

Traditional Chinese:硒銅鈷礦

Relationship of Tyrrellite to other SpeciesHide

Member of:

Seleniospinel Group > Spinel Supergroup

Other Members of Seleniospinel Group:

Bornhardtite Subgroup	A²⁺D³⁺₂Se₄
Nickeltyrrellite	CuNi₂Se₄	Iso. m3m(4/m32/m) : Fd3m

Common AssociatesHide

Associations Based on Photo Data:

71 photos of Tyrrellite associated with Umangite	Cu₃Se₂
45 photos of Tyrrellite associated with Chlorite Group
42 photos of Tyrrellite associated with Hematite	Fe₂O₃
33 photos of Tyrrellite associated with Klockmannite	CuSe
26 photos of Tyrrellite associated with Clausthalite	PbSe
19 photos of Tyrrellite associated with Chalcomenite	CuSeO₃ · 2H₂O
8 photos of Tyrrellite associated with Calcite	CaCO₃
8 photos of Tyrrellite associated with Penroseite	(Ni,Co,Cu)Se₂
7 photos of Tyrrellite associated with Eskebornite	CuFeSe₂
6 photos of Tyrrellite associated with Berzelianite	Cu_2-xSe (x ≈ 0.12)

Related Minerals - Strunz-mindat Grouping Hide

2.DA.	Ferrodimolybdenite	FeMo₂S₄	Mon. 2/m : B2/b
2.DA.	Zaykovite	Rh₃Se₄	Mon. 2/m : B2/m
2.DA.	Ezochiite	Cu⁺(Rh³⁺Pt⁴⁺)S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.	Grimmite	NiCo₂S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.	Zolenskyite	FeCr₂S₄	Mon. 2/m : B2/m
2.DA.05	Shiranuiite	Cu⁺(Rh³⁺Rh⁴⁺)S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Fletcherite	CuNi₂S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Florensovite	(Cu,Zn)Cr_1.5Sb_0.5S₄	Iso. m3m(4/m32/m)
2.DA.05	Siegenite	CoNi₂S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Cadmoindite	CdIn₂S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Kalininite	ZnCr₂S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Violarite	Fe²⁺Ni³⁺₂S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Nickeltyrrellite	CuNi₂Se₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Linnaeite	Co²⁺Co³⁺₂S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Carrollite	CuCo₂S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Cuproiridsite	(Cu,Fe)Ir₂S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Cuprorhodsite	(Cu⁺_0.5Fe³⁺_0.5)Rh³⁺₂S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Berndlehmannite	Cu(CrV)S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Polydymite	Ni²⁺Ni³⁺₂S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Trüstedtite	Ni₃Se₄	Iso.
2.DA.05	Daubréelite	Fe²⁺Cr³⁺₂S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Cuprokalininite	Cu(Cr³⁺Cr⁴⁺)S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Greigite	Fe²⁺Fe³⁺₂S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Joegoldsteinite	MnCr₂S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Bornhardtite	Co²⁺Co³⁺₂Se₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Indite	FeIn₂S₄	Iso. m3m(4/m32/m) : Fd3m
2.DA.05	Xingzhongite	Pb²⁺Ir³⁺₂S₄	Iso.
2.DA.05	Malanite	Cu⁺(Ir³⁺Pt⁴⁺)S₄	Iso. m3m(4/m32/m)
2.DA.10	Rhodostannite	Cu⁺(Fe²⁺_0.5Sn⁴⁺_1.5)S₄	Tet. 4/m : I4₁/a
2.DA.10	Toyohaite	Ag⁺(Fe²⁺_0.5Sn⁴⁺_1.5)S₄	Tet. 4/m : I4₁/a
2.DA.15	Brezinaite	Cr₃S₄	Mon. 2/m
2.DA.15	Heideite	(Fe,Cr)_1.15(Ti,Fe)₂S₄	Mon. 2/m
2.DA.20	Konderite	Cu₃Pb(Rh,Pt,Ir)₈S₁₆	Hex. 6/m : P6/m
2.DA.20	Inaglyite	Cu₃Pb(Ir,Pt)₈S₁₆	Hex.
2.DA.25	Kingstonite	Rh₃S₄	Mon. 2/m : B2/m

Fluorescence of TyrrelliteHide

In UV light:

Not fluorescent

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 TyrrelliteHide

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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

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References for TyrrelliteHide

Reference List:

ROBINSON, S.C. & BROOKER, E.J. (1952): A cobalt - nickel - copper selenide from the Goldfields district, Saskatchewan, Canada. American Mineralogist 37, 542-544.

Hey, Max H. (1963) Appendix to the second edition of An Index of Mineral Species & Varieties Arranged Chemically, With An Alphabetical Index of Accepted Mineral Names and Synonyms (2nd ed.) British Museum (Natural History)pages 6, 128

Sindeeva, N. D. (1964) Mineralogy and Types of Deposits of Selenium and Tellurium. Interscience Publishers.pp.77-78

Harris, D. C. (1970) New data on tyrrellite. The Canadian Mineralogist, 10 (4) 731-736

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

Yang, Hexiong, Hubler, David K., Lavina, Barbara, Downs, Robert T., Costin, Gelu (2007) Tyrrellite, Cu(Co_0.68Ni_0.32)₂Se₄, isostructural with spinel. Acta Crystallographica Section C Crystal Structure Communications, 63 (8) 73-74 doi:10.1107/s010827010703048x

Localities for TyrrelliteHide

Showing 19 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.


Argentina
La Rioja Province General Lamadrid Department Villa Castelli Sierra de Cacho ⓘ Tumiñico Mine	Brodtkorb (2002) +3 other references
ⓘ Los Llantenes mining district	Paar (1996)
Mendoza Province Luján de Cuyo department Cacheuta District ⓘ Sierra de Cacheuta	Grundmann et al. (2018)
Cerro de Cacheuta ⓘ Cacheuta Mine	Zappettini et al. (2014) +1 other reference

Canada (TL)
Saskatchewan Beaverlodge Lake area ⓘ Eagle Claims U-Cu-Se occurrence (TL)	ROBINSON et al. (1952) +3 other references
Goldfields District Beaverlodge Lake ⓘ Ato Bay (TL)	ROBINSON et al. (1952) +1 other reference
ⓘ Hal Lake Selenium Occurrence No. 1	Collected and analyzed by Gunnar Farber.
ⓘ Martin Lake mine	Simon et al. (1997)

Czech Republic
Plzeň Region Plzeň-South District Spálené Poříčí ⓘ Kokšín Hill	Scharm et al. (2000)
South Bohemian Region Písek District Kovářov Předbořice ⓘ Předbořice deposit	Paar et al. (2005) +1 other reference
Vysočina Region Žďár nad Sázavou District Nové Město na Moravě ⓘ Petrovice	Kvaček (1979) +1 other reference
ⓘ Slavkovice	Vavřín (1994) +1 other reference
Rožná Rožná deposit ⓘ Bukov Mine	Vavřín (1994) +1 other reference
ⓘ Habři Mine	Kvaček (1979)

DR Congo
Lualaba Mutshatsha Kolwezi ⓘ Musonoi Mine	Wilson (2018)

Germany
Bavaria Upper Palatinate ⓘ Wölsendorf fluorite mining district	Seeliger et al. (1965) +1 other reference
Saxony-Anhalt Harz Ballenstedt Rieder ⓘ Greywacke quarry	Heider et al. (2012)

Spain
Castile and Leon León Cármenes Villanueva de Pontedo ⓘ Providencia Mine	Simon et al. (1997)

UK
England Devon Torbay Torquay ⓘ Hope's Nose	Stanley et al. (1990) +1 other reference

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Tyrrellite

About TyrrelliteHide

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Physical Properties of TyrrelliteHide

Optical Data of TyrrelliteHide

Chemistry of TyrrelliteHide

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Crystallography of TyrrelliteHide

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