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SYSTEMATIC of the MINERALS / SYSTEMATIK der MINERALE
according to E.H. Nickel & M.C. Nichols (2007), H. Strunz & E.H. Nickel (2001)
4. OXIDES, HYDROXIDES
(Oxides, Hydroxides, V[5,6]-Vanadates, Arsenites, Antimonites, Bismutites, Sulfites, Selenites, Tellurites, Iodates)
4.A: Metal : Oxygen = 2 : 1 and 1 : 1
4.AA. Cation : Anion (M : O) = 2 : 1 (and 1.8 : 1)
4.AA.05. Ice group
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Ice / Eis | |
H2O | |
hex., P63/mmc | |
| | | | G |
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Methanhydrate | |
46 H2O · 8 CH4 | |
cub., Pm-3n | |
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Methanhydrate is at time not described as a mineral. It is stable under higher pressures and/or low temperatures (23 atm and 0°C to 1 atm and ca. –80°C). Methanhydrate is a clathrate and isostructural with cubic melanophlogite (above ca. 40°C, melanophlogite is cubic, Pm-3n).
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4.AA.10. Cuprite group
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Cuprite | |
Cu2O | |
cub., Pn-3m | |
FOTO |
4.AA.15. Paramelaconite group
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Paramelaconite | |
Cu1+2Cu2+2O3 | |
tetr., I41/amd | |
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4.AB. Cation : Anion (M : O) = 1 : 1 (and up to 1 : 1.25), only with small and medium-sized cations
4.AB.05. Crednerite group
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Crednerite | |
Cu(Mn,Fe)O2 | |
mon., C2/m | | | |
ENTDECKUNG |
4.AB.10. Tenorite group
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Tenorite | |
CuO | |
mon., C2/c | |
FOTO |
4.AB.15. Delafossite group
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Delafossite | |
CuFeO2 | |
trig., R-3m | |
FOTO |
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Mcconnellite | |
CuCrO2 | |
trig., R-3m | |
4.AB.20. Zincite group
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Bromellite | |
BeO | |
hex., P63mc | . |
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Zincite | |
ZnO | |
hex., P63mc | |
FOTO |
4.AB.25. Periclase group
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Periclase | |
MgO | |
cub., Fm-3m | . |
FOTO |
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Wüstite | |
FeO | |
cub., Fm-3m | . |
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Bunsenite | |
NiO | |
cub., Fm-3m | . |
FOTO | |
ENTDECKUNG |
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Manganosite | |
MnO | |
cub., Fm-3m | . |
FOTO |
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Monteponite | |
CdO | |
cub., Fm-3m | . |
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Lime / Calciumoxide | |
CaO | |
cub., Fm-3m | |
FOTO |
4.AB.30. Palladinite group
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Palladinite | |
PdO | |
tetr., P42/mmc |
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4.AC. Cation : Anion (M : O) = 1 : 1 (and up to 1 : 1.25), with large cations (+/- small)
4.AC.05. Swedenborgite group
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Swedenborgite | |
NaBe4SbO7 | |
tetr., P42/mmc |
4.AC.10. Brownmillerite group
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Brownmillerite | |
Ca2Al2O5 | |
orth., Ibm2 |
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Srebrodolskite | |
Ca2Fe2O5 | |
orth., Ibm2 | |
FOTO |
4.AC.15. Montroydite group
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Montroydite | |
HgO | |
orth., Pnma |
4.AC.20. Lithargite group
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Litharge / Lithargite | |
PbO | |
tetr., P4/nmm | . |
FOTO |
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Romarchite | |
SnO | |
tetr., P4/nmm | |
4.AC.25. Massicot group
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Massicot / Massicotite | |
PbO | |
orth., Pbcm | |
FOTO |
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 - 2008)
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