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Thérèsemagnanite

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About ThérèsemagnaniteHide

Formula:
NaCo4(SO4)(OH)6Cl·6H2O
First described as a mineral with the formula (Co,Zn,Ni)6(SO4)(OH,Cl)10·8H2O, redefined in 2015.
Lustre:
Pearly
Hardness:
1½ - 2
Crystal System:
Hexagonal
Member of:
Name:
Named for Marie-Thérèse Magnan (Toulon, France) for her contributions to knowledge about the Cap Garonne mine, Var (France).
Thérèsemagnanite may be closely related to gordaite (Kolitsch, unpubl. data, 1999):
- the indexed X-ray powder patterns of both minerals are very similar
- both gordaite and thérèsemagnanite are uniaxial negative and their refractive indices and birefringence are quite similar
- thérèsemagnanite may contain Na (possibly overlooked because of Na/Zn peak overlap)

Redefined by IMA in 2015 as a mineral of the gordaite group (IMA 15-K).

Chemically similar to cobaltoblödite.


Classification of ThérèsemagnaniteHide

Approved
Approval Year:
1991
7.DD.80

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
D : With only medium-sized cations; sheets of edge-sharing octahedra
31.2.5.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
2 : (AB)6(XO4)Zq·xH2O

Physical Properties of ThérèsemagnaniteHide

Pearly
Hardness:
1½ - 2 on Mohs scale

Optical Data of ThérèsemagnaniteHide

Type:
Uniaxial (-)
RI values:
nω = 1.568 nε = 1.542
Max Birefringence:
δ = 0.026
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low

Chemical Properties of ThérèsemagnaniteHide

Formula:
NaCo4(SO4)(OH)6Cl·6H2O

First described as a mineral with the formula (Co,Zn,Ni)6(SO4)(OH,Cl)10·8H2O, redefined in 2015.
IMA Formula:
NaCo4(SO4)(OH)6Cl · 6H2O

Crystallography of ThérèsemagnaniteHide

Crystal System:
Hexagonal
Cell Parameters:
a = 8.363(8) Å, c = 26.18(7) Å
Ratio:
a:c = 1 : 3.13
Unit Cell V:
1,585.71 ų (Calculated from Unit Cell)
Z:
3
Comment:
Space group unknown.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
13.1 (100)
6.552 (25)
4.177 (25)
3.523 (30)
2.736 (25)
2.681 (40)
2.527 (90)

Type Occurrence of ThérèsemagnaniteHide

Synonyms of ThérèsemagnaniteHide

Other Language Names for ThérèsemagnaniteHide

Relationship of Thérèsemagnanite to other SpeciesHide

Member of:
Other Members of this group:
GordaiteNaZn4(SO4)(OH)6Cl · 6H2OTrig. 3 : P3

Related Minerals - Nickel-Strunz GroupingHide

7.DD.05FelsőbányaiteAl4(SO4)(OH)10 · 4H2OMon. 2 : P21
7.DD.10LangiteCu4(SO4)(OH)6 · 2H2OMon. m
7.DD.10PosnjakiteCu4(SO4)(OH)6 · H2OMon. m : Pm
7.DD.10WroewolfeiteCu4(SO4)(OH)6 · 2H2OMon. m : Pm
7.DD.15SpangoliteCu6Al(SO4)(OH)12Cl · 3H2OTrig. 3m : P3 1c
7.DD.20KtenasiteZn(Cu,Zn)4(SO4)2(OH)6 · 6H2OMon.
7.DD.25ChristeliteCu2Zn3(SO4)2(OH)6 · 4H2OTric.
7.DD.30CampigliaiteMn2+Cu4(SO4)2(OH)6 · 4H2OMon.
7.DD.30DevillineCaCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
7.DD.30OrthoserpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2OOrth. mm2 : Pca21
7.DD.30SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2OMon. 2/m : B2/b
7.DD.30NiedermayriteCdCu4(SO4)2(OH)6 · 4H2OMon. 2/m : P21/m
7.DD.30EdwardsiteCu3Cd2(SO4)2(OH)6·4H2O Mon. 2/m : P21/b
7.DD.35Carrboydite(Ni1-xAlx)(SO4)x/2(OH)2 · nH2OHex.
7.DD.35Glaucocerinite(Zn1-xAlx)(OH)2(SO4)x/2 · nH2OHex.
7.DD.35Honessite(Ni1-xFe3+x)(OH)2[SO4]x/2 · nH2OTrig.
7.DD.35Hydrohonessite(Ni1-xFe3+x)(OH)2(SO4)x/2 · nH2OHex.
7.DD.35MotukoreaiteMg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2OTrig. 3m (3 2/m) : R3m
7.DD.35Mountkeithite[(Mg1-xFe3+x)(OH)2][SO4]x/2 · nH2OHex.
7.DD.35ShigaiteMn6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OTrig.
7.DD.35WermlanditeMg7Al2(OH)18[Ca(H2O)6][SO4]2 · 6H2OTrig. 3m (3 2/m) : P3c1
7.DD.35WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2OTrig. 3m (3 2/m) : R3m
7.DD.35ZincaluminiteZn6Al6(SO4)2(OH)16 · 5H2O
7.DD.35Hydrowoodwardite(Cu1-xAlx)(OH)2[SO4]x/2 · nH2OTrig. 3m (3 2/m) : R3m
7.DD.35ZincowoodwarditeZn1-xAlx(OH)2[SO4]x/2 · nH2OTrig.
7.DD.35NatroglaucoceriniteZn6Al3(OH)18[Na(H2O)6](SO4)2•6H2OHex.
7.DD.35NikischeriteFe2+6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OTrig.
7.DD.40Lawsonbauerite(Mn2+,Mg)9Zn4(SO4)2(OH)22 · 8H2OMon. 2/m : P21/b
7.DD.40Torreyite(Mg,Mn2+)72Mn2+2Zn4(SO4)2(OH)22 · 8H2OMon. 2/m : P21/b
7.DD.45MooreiteMg92Mn2Zn4(SO4)2(OH)26 · 8H2OMon. 2/m : P2/b
7.DD.50NamuwiteZn4(SO4)(OH)6 · 4H2OTrig. 3 : P3
7.DD.55BechereriteZn7Cu(OH)13[(SiO(OH)3(SO4)]Trig. 3 : P3
7.DD.60Ramsbeckite(Cu,Zn)15(SO4)4(OH)22 · 6H2OMon. 2/m
7.DD.65VonbezingiteCa6Cu3(SO4)3(OH)12 · 2H2OMon. 2/m : P21/b
7.DD.70RedgilliteCu6(SO4)(OH)10 · H2OMon. 2/m : P21/b
7.DD.75ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2OMon. 2 : P21
7.DD.75Nickelalumite(Ni,Cu)Al4(SO4,(NO3)2)(OH)12 · 3H2OMon.
7.DD.75KyrgyzstaniteZnAl4(SO4)(OH)12·3H2OMon.
7.DD.80GuarinoiteZn6(SO4)(OH)10 · 5H2OHex.
7.DD.80Schulenbergite(Cu,Zn)7(SO4)2(OH)10 · 3H2OTrig.
7.DD.80UM1992-30-SO:CCuHZn(Zn,Cu)7(SO4,CO3)2(OH)10 · 3H2OTrig. 3 : P3
7.DD.85MontetrisaiteCu6(SO4)(OH)10 · 2H2OOrth. mm2 : Cmc21

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.

References for ThérèsemagnaniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Sarp, H. (1993) Guarinoite (ZnCoNi)6(SO4)(OH,Cl)10*5H2O et theresemagnanite (CoZnNi)6(SO4)(OH,Cl)10*8H2O, deux nouveaux minéraux de la mine de Cap Garonne, Var, France. Archs. Sci. Genève: 46(1): 37-44. (in French).
American Mineralogist: 78: 1314-1315.
CNMNC Newsletter No. 27, October 2015 (IMA 15-K).
Kasatkin, A.V., Plášil, J., Škoda, R., Belakovskiy, D.I., Marty, J., Meisser, N., Pekov, I.V. (2018) Redefinition of thérèsemagnanite, NaCo4(SO4(OH)6Cl·6H2O: new data and relationship to ‘cobaltogordaite’. Mineral. Mag. 82(1): 159-170.

Internet Links for ThérèsemagnaniteHide

Localities for ThérèsemagnaniteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
France (TL)
 
  • Provence-Alpes-Côte d'Azur
    • Var
      • Le Pradet
Arch. Sci. Gen. 46/1 (1993)
USA
 
  • Utah
    • San Juan Co.
      • White Canyon District
        • Red Canyon
Joe Marty (2015) Minerals of the Blue Lizard Mine and other Western Localities, NCMA Annual Symposium 2015; Kasatkin, A.V., Plašil, J., Belakovskiy, D.I. and Marty, J. (2014) Cobaltogordaite, IMA 2014-043. CNMNC Newsletter No. 22, October 2014, page 1243; Mineralogical Magazine, 78, 1241-1248. ; CNMNC Newsletter No. 27, IMA 15-K.
Collected by Al Wilkins. In the collection of Brent Thorne. EDS and XRD analyzed.; Kampf, A.R., Plášil, J., Kasatkin, A.V., Marty, J., and Čejka, J. (2018) Markeyite, a new calcium uranyl carbonate mineral from the Markey mine, San Juan County, Utah, USA. Mineralogical Magazine, 82, 1089-1100.
Mineral and/or Locality  
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