according to E.H. Nickel & M.C. Nichols (2009), H. Strunz & E.H. Nickel (2001)

(Sulfides, Selenides, Tellurides, Arsenides, Antimonides, Bismuthides, Sulfarsenites, Sulfantimonites, Sulfbismuthites, etc.)

2.F: Sulfides of Arsenic, Alkalies, Sulfides with Halides, Oxide, Hydroxide, Water

2.FA. With As, (Sb), S
2.FA.05. Duranusite group
Duranusite As4S orth. FOTO     IMA 1973-003

2.FA.10. Dimorphite group
Dimorphite As4S3 orth., Pmnb FOTOG

2.FA.15. Realgar group
     15 a. Realgar series
Realgar As4S4 mon., P21/n FOTOG

     15 b. Pararealgar series
Pararealgar As4S4 mon., P21/c FOTOIMA 1980-034

2.FA.20. Alacranite group
Alacranite As8S9 mon., C2/c FOTOIMA 1985-033

2.FA.25. Uzonite group
Uzonite As4S5 mon., P21/m FOTOIMA 1984-027

2.FA.30. Orpiment group
Orpiment  /  Auripigment As4S6 mon., P21/n FOTOG
Anorpiment As4S6 tric., P1 IMA 2011-014
Laphamite As4Se6 mon., P21/n FOTOIMA 1985-021
Jeromite As(S,Se)2 (?) amorphous FOTOD

2.FA.35. Getchellite group
Getchellite SbAsS3 mon., P21/a FOTOIMA 1965-010

2.FA.35. Wakabayashilit-Gruppe
Wakabayashilite SbAs10S18 mon., P21/m FOTOIMA 1969-024

Wakabayashilite has a hexagonal pseudo-cell, P63/mmc.

2.FA.Appendix. Seleniumsulfide
unnamed SeS2 tetr. (?) FOTO-

Not grouped, because the compound is at time not described as a mineral. Known from the Lichtenberg open cast, Ronneburg, Thuringia.

2.FB. With Alkalies (without Cl etc.)
2.FB.05. Caswellsilverite group
Caswellsilverite NaCrS2 trig., R-3m IMA 1981-012a
Schöllhornite Na0.3(H2O)CrS2 trig., R-3m (?) FOTOIMA 1984-043
Cronusite Ca0.2(H2O)2CrS2 trig., R-3m (?) FOTOIMA 1999-018

2.FB.10. Chvilevait group
Chvilevaite Na(Cu,Fe,Zn)2S2 trig., P3m1 IMA 1987-017

2.FB.15. Orickite group
Orickite (Na,K)<1CuFeS2 · n H2O hex. FOTOIMA 1978-059a

2.EB.20. Rasvumite group
Rasvumite KFe2S3 orth., Cmcm IMA 1970-028
Pautovite CsFe2S3 orth., Cmcm IMA 2004-005

2.EB.25. Colimaite group
Colimaite K3VS4 orth., Pnma IMA 2007-045

2.FC. With Cl, Br, I (Halide-Sulfide)
2.FC.05. Djerfisherite group
Djerfisherite K6Na(Fe,Cu)24S26Cl cub., Pm-3m FOTOIMA 1965-028
Owensite Ba6(Cu,Fe)25S27 cub., Pm-3m IMA 1993-061
Thalfenisite Tl6(Fe,Ni)25S26Cl cub. IMA 1979-018
Cu-Djerfisherite K6(Cu,Fe)25S26Cl N

2.FC.10. Bartonite group
Bartonite K6Fe20S26(S,Cl) tetr., I4/mmm IMA 1977-039
Chlorbartonite K6Fe24S26(Cl,S) tetr., I4/mmm IMA 2000-048

2.FC.15. Corderoite group
     15 a. Corderoite series
Corderoite Hg3S2Cl2 cub., I213 FOTOIMA 1973-037
Lavrentievite Hg3S2(Cl,Br)2 mon., P2/m (?) IMA 1984-020
Arzakite Hg3S2(Br,Cl)2 mon., P2/m (?) N

     15 b. Kenhsuite series
Kenhsuite Hg3S2Cl2 orth., A2mm IMA 1996-026

     15 c. Grechishchevite series
Grechishchevite Hg3S2(Br,Cl,I)2 tetr., P4/mmm IMA 1988-027

     15 d. Radtkeite series
Radtkeite Hg3S2ClI orth., Fmmm (?) IMA 1989-030

2.FC.20. Capgaronnit group
     20 a. Corderoite series
Capgaronnite HgAgS(Cl,Br) orth., P21212 FOTOIMA 1990-011

     20 b. Iltisite series
Iltisite HgAgS(Cl,Br) hex. FOTOIMA 1994-031

     20 c. Perroudite series
Perroudite Hg5Ag4S5(I,Br)2Cl2 orth., P21212 FOTOIMA 1986-035

2.FC.25. Demicheleite group
Demicheleite-(Cl) BiSCl orth., Pnma IMA 2008-020
Demicheleite-(Br) BiSBr orth., Pnma IMA 2007-022
Demicheleite-(I) BiSI orth., Pnma IMA 2009-049

2.FD. With O, OH, H2O (Oxysulfides etc.)
2.FD.05. Kermesite group
Kermesite Sb2S2O tric., P-1 FOTOENTDECKUNGG

2.FD.10. Viaeneite group
Viaeneite (Fe,Pb)4S8O mon. IMA 1993-051

2.FD.15. Group deleted

2.FD.20. Erdite group
Erdite NaFeS2 · 2 H2O mon. IMA 1977-078

2.FD.25. Coyoteite group
Coyoteite NaFe3S5 · 2 H2O tric., P-1 or P1 IMA 1978-042

2.FD.30. Valleriite group
Valleriite (Fe,Cu)S · 0.75 (Mg,Al,Fe)(OH)2 2 cells, trig.,
R-3m and P-3m1
Ferrovalleriite (Fe,Cu)S · 0.75 Fe(OH)2 trig., R-3m IMA 2011-068
Haapalaite (Fe,Ni)S · 0.8 (Mg,Fe)(OH)2 2 cells, trig.,
R-3m and (?)
IMA 1972-021
Yushkinite (V,□)S · 0.6 (Mg,Al)(OH)2 2 cells, trig.,
P-3m1 (?) and (?)
FOTOIMA 1983-050
Ekplexite (Nb,Mo,W)S2 · (Mg1-xAlx)(OH)2+x trig., P321 IMA 2011-082

2.FD.35. Tochilinite group
Tochilinite (Fe,□)S · 0.85 (Mg,Fe)(OH)2 tric., C1 FOTOIMA 1971-002
Ferrotochilinite 6 FeS · 5 Fe(OH)2 mon., C2/m IMA 2010-080

2.FD.40. Wilhelmramsayite group
Wilhelmramsayite Cu3FeS3 · 2 H2O orth., Pmmm IMA 2004-033

2.FD.45. Vyalsovite group
Vyalsovite FeS · Ca(OH)2 · Al(OH)3 orth., Cmmm FOTOIMA 1989-004

2.FD.50. Bazhenovite group
Bazhenovite CaS5 · CaS2O3 · 6 Ca(OH)2 · 20 H2O mon., P21/c FOTOIMA 1986-053

in bold: grandfathered, IMA accepted, renamed and redefined (with IMA approval) minerals,
in normal letters: minerals published without IMA approval, questionable minerals, polytypes

G = Grandfathered minerals: original description preceded the establishment of the CNMNC in 1959, and generally regarded as a valid species
A or IMA No. = Minerals approved by the CNMNC
Rd = Redefinition of the mineral approved by the CNMNC
Rn = Renamed with approval by the CNMNC
GROUP = a name used to designate a group of species
N = Mineral published without approval of the CNMNC
Q = Questionable mineral
H = Hypothetical mineral (synthetic, anthropogenic, etc.)
D = Discredited by the CNMNC
Poly = Polytype

© Thomas Witzke / Stollentroll (2007 - 2010)