Cattierite

Cobalt sulfide mineral
(repeating unit)CoS2IMA symbolCat[1]Strunz classification2.EB.05aCrystal systemCubicCrystal classDiploidal (m3)
H-M symbol: (2/m 3)Space groupPa3Unit cella = 5.52 Å; Z = 4IdentificationColorPink to grayish whiteCrystal habitCubic crystals and granular intergrowthsCleavagePerfect on {001}Mohs scale hardness4LusterMetallicDiaphaneityOpaqueSpecific gravity4.82Optical propertiesIsotropicReferences[2][3][4][5]

Cattierite (CoS2) is a cobalt sulfide mineral found in the Democratic Republic of Congo. It was discovered together with the nickel sulfide vaesite by Johannes F. Vaes, a Belgian mineralogist and named after Felicien Cattier, who was chairman of the board of the Union Minière du Haut-Katanga.[6]

The mineral belongs to the pyrite group, in which all minerals share the same building principle. The metal in the oxidation state +2 forms a sodium chloride structure together with the anion S22−. This formalism recognizes that the sulfur atoms in pyrite occur in pairs with clear S-S bonds.

It occurs with pyrite, chalcopyrite and members of the linnaeite – polydymite group in ore deposits in carbonate rocks. In addition to the type locality in the Katanga district it is reported from Gansberg, Black Forest, Germany; near Filipstad, Varmland, Sweden; Bald Knob, near Sparta, Alleghany County, North Carolina and in the Fletcher mine of Reynolds County, Missouri.[3]

References

  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. ^ Mineralienatlas
  3. ^ a b Handbook of Mineralogy
  4. ^ Fact sheet from Mindat.org
  5. ^ Fact sheet from Webmineral
  6. ^ Kerr, Paul F. (1945). "Cattierite and Vaesite: New Co-Ni Minerals from the Belgian Kongo" (PDF). 30: 483–492. {{cite journal}}: Cite journal requires |journal= (help)
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Disulfides (S2−
2) and polysulfides
H2S2 He
Li Be B RS2R' N O S2F2 Ne
Na2Sx Mg Al Si P S3 S2Cl2 Ar
K Ca Sc TiS3 VS4 Cr Mn FeS2 CoS2 NiS2 "CuS" Zn Ga Ge As Se S2Br2 Kr
Rb Sr Y Zr Nb Mo Tc RuS2 Rh Pd Ag Cd In Sn Sb2S5? Te S2I2 Xe
Cs Ba * Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra ** Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
 
* La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb
** Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No
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