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MINERAL CLASSIFICATION / SYSTEMATIK der MINERALE
based on E.H. Nickel & M.C. Nichols (2009), H. Strunz & E.H. Nickel (2001)
7. SULFATES
(Sulfates, Selenates, Tellurates, Chromates, Molybdates, Wolframates)
7.A: Sulfates etc. without additional anions, without water
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7.AA. With only small to medium-sized cations |
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7.AA.05. Millosevichite group |
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Millosevichite | |
Al2(SO4)3 | |
trig., R3 | |
FOTO | |
G |
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Mikasaite | |
Fe2(SO4)3 | |
trig., R3 | |
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IMA 1992-015 |
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7.AA.10. Chalcocyanite group |
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Chalcocyanite | |
Cu(SO4) | |
orth., Pnma | |
FOTO | |
G |
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Zinkosite | |
Zn(SO4) | |
orth., Pnma | |
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G |
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Zinkosite is probably an artificial product, the natural occurrence is doubtful.
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7.AA.15. Dravertite group |
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Dravertite | |
CuMg(SO4)2 | |
mon., P21/n | |
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IMA 2014-104 |
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Hermannjahnite | |
CuZn(SO4)2 | |
mon., P21/n | |
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IMA 2015-050 |
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7.AB. With large and small to medium-sized cations |
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7.AB.05. Godovikovite group |
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Steklite | |
KAl(SO4)2 | |
trig., P321 | |
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IMA 2011-041 |
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Godovikovite | |
(NH4)Al(SO4)2 | |
trig., P321 | |
FOTO | |
IMA 1987-019 |
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Sabieite | |
(NH4)Fe(SO4)2 | |
trig., P321 | |
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IMA 1982-088 |
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7.AB.10. Yavapaiite group |
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Eldfellite | |
NaFe(SO4)2 | |
mon., B2/m | |
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IMA 2007-051 |
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Yavapaiite | |
KFe(SO4)2 | |
mon., C2/m | |
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G |
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7.AB.15. Pyracmonite group |
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Aluminopyracmonite | |
(NH4)3Al(SO4)3 | |
trig., R3c | |
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IMA 2012-075 |
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Pyracmonite | |
(NH4)3Fe(SO4)3 | |
trig., R3c | |
FOTO | |
IMA 2008-029 |
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7.AB.20. Koryakite |
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Koryakite | |
NaKMg2Al2(SO4)6 | |
trig., R3 | |
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IMA 2018-013 |
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7.AB.25. Langbeinite group |
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Langbeinite | |
K2Mg2(SO4)3 | |
cub., P213 | |
FOTO | |
G |
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Manganolangbeinite | |
K2Mn2(SO4)3 | |
cub., P213 | |
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G |
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Calciolangbeinite | |
K2Ca2(SO4)3 | |
cub., P213 | |
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IMA 2011-067 |
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Efremovite | |
(NH4)2Mg2(SO4)3 | |
cub., P213 | |
FOTO | |
IMA 1987-033 |
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Ferroefremovite | |
(NH4)2Fe2(SO4)3 | |
cub., P213 | |
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IMA 2019-008 |
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7.AB.30. Saranchinaite |
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Saranchinaite | |
Na2Cu(SO4)2 | |
mon., P21 | |
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IMA 2015-019 |
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7.AB.35. Petrovite |
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Petrovite | |
Na8(NaCu)Cu2Na(SO4)8 | |
mon., P21/c | |
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IMA 2018-149a |
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7.AB.40. Itelmenite |
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Itelmenite | |
Na4Mg3Cu3(SO4)8 | |
orth., Pbca | |
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IMA 2015-047 |
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7.AB.45. Philoxenite |
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Philoxenite | |
(K,Na,Pb)4(Na,Ca)2(Mg,Cu)3(Fe0.5Al0.5)(SO4)8 | |
tric., P1 | |
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IMA 2015-108 |
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7.AB.50. Vanthoffite |
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Vanthoffite | |
Na6Mg(SO4)4 | |
mon., P21/c | |
FOTO | |
G |
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7.AB.55. Majzlanite |
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Majzlanite | |
K2Na(ZnNa)Ca(SO4)4 | |
mon., C2/c | |
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IMA 2018-016 |
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7.AC. With only large cations |
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7.AC.05. Thénardite |
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Thénardite | |
Na2(SO4) | |
orth., Fddd | |
FOTO | |
G |
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7.AC.10. Metathénardite |
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Metathénardite | |
Na2(SO4) | |
trig., P3m1 | |
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IMA 2015-102 |
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7.AC.15. Ivsite |
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Ivsite | |
Na3H(SO4)2 | |
mon., P21/c | |
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IMA 2013-138 |
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7.AC.20. Aphthitalite |
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Aphthitalite | |
K3Na(SO4)2 | |
trig., P3m1 | |
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G |
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Natroaphthitalite | |
KNa3(SO4)2 | |
trig., P3m1 | |
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IMA 2018-091 |
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Möhnite | |
(NH4)K2Na(SO4)2 | |
trig., P3m1 | |
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IMA 2014-101 |
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Belomarinaite | |
KNa(SO4) | |
trig., P3m1 | |
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IMA 2017-069a |
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7.AC.25. Bubnovaite |
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Bubnovaite | |
K2Na8Ca(SO4)6 | |
trig., P31c | |
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IMA 2014-108 |
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7.AC.30. Dobrovolskyit |
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Dobrovolskyit | |
Na4Ca(SO4)3 | |
trig., R3 | |
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IMA 2019-106 |
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7.AC.35. Arcanite group |
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Arcanite | |
K2(SO4) | |
orth., Pmcn | |
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G |
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Mascagnite | |
(NH4)2(SO4) | |
orth., Pmcn | |
FOTO | |
G |
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7.AC.40. Mercallite |
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Mercallite | |
K(HSO4) | |
orth., Pbca | |
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G |
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7.AC.45. Misenite |
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Misenite | |
K8(HSO4)6(SO4) | |
mon. | |
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G |
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7.AC.50. Letovicite |
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Letovicite | |
(NH4)3(HSO4)(SO4) | |
tric., P1 | |
FOTO | |
G |
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7.AC.55. Glauberite |
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Glauberite | |
CaNa2(SO4)2 | |
mon., C2/c | |
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G |
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7.AC.60. Anhydrite |
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Anhydrite | |
Ca(SO4) | |
orth., Amma | |
FOTO | |
G |
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7.AC.65. Baryte group |
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Celestine | |
Sr(SO4) | |
orth., Pnma | |
FOTO | |
A |
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Baryte | |
Ba(SO4) | |
orth., Pnma | |
FOTO | |
A |
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Anglesite | |
Pb(SO4) | |
orth., Pnma | |
FOTO | |
G |
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Olsacherite | |
Pb2(SO4)(SeO4) | |
orth., P2212 | |
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IMA 1969-009 |
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7.AC.70. Palmierite group |
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Kalistrontite | |
K2Sr(SO4)2 | |
trig., R3m | |
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A |
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Palmierite | |
K2Pb(SO4)2 | |
trig., R3m | |
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G |
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7.AC.75. Markhininite |
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Markhininite | |
TlBi(SO4)2 | |
tric., P1 | |
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IMA 2012-040 |
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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
Q = Questionable mineral
© Thomas Witzke (2007-2020)
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