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MINERAL CLASSIFICATION / SYSTEMATIK der MINERALE
based on E.H. Nickel & M.C. Nichols (2009), H. Strunz & E.H. Nickel (2001),
revised by Thomas Witzke (2022)
10. ORGANIC MINERALS
10.A: Salts of organic acids
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10.AA. Formates, Acetates, Glycolates etc. |
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10.AA.005. Formicaite |
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Formicaite | |
Ca(CHOO)2 | |
tetr., P41212 | |
FOTO | |
IMA 1998-030 |
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10.AA.010. Dashkovaite |
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Dashkovaite | |
Mg(CHOO)2·2H2O | |
mon., P21/c | |
FOTO | |
IMA 2000-006 |
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10.AA.015. Hoganite |
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Hoganite | |
Cu(CH3COO)2·H2O | |
mon., C2/c | |
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IMA 2001-029 |
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10.AA.020. Paceite |
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Paceite | |
CaCu(CH3COO)4·6H2O | |
tetr., I4/m | |
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IMA 2001-030 |
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10.AA.025. Calclacite |
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Calclacite | |
Ca(CH3COO)Cl·5H2O | |
mon., P21/b | |
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G |
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Calclacite was formed on calcareous rocks by reaction with acetic acid derived from oak boxes in museums. No natural occurrences known.
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10.AA.030. Ernstburkeite [magnesium methanesulphonate hydrate] |
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Ernstburkeite | |
Mg(CH3SO3)2·12H2O | |
trig., R-3 | |
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IMA 2010-059 |
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10.AA.035. Lazaraskeite [copper glycolate] |
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Lazaraskeite | |
Cu(C2H3O3)2 | |
mon., P21/n | |
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IMA 2018-137 |
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10.AA.040. Jimkrieghite [calcium glycolate] |
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Jimkrieghite | |
Ca(C2H3O3)2 | |
orth., Pbca | |
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IMA 2022-138 |
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10.AA.045. Stanevansite [magnesium glycolate] |
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Stanevansite | |
Mg(C2H3O3)2·2H2O | |
mon., P21/c | |
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IMA 2022-085 |
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10.AA.050. Lianbinite [ammonium glycolate glycolic acid] |
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Lianbinite | |
(NH4)(C2H3O3)(C2H4O3) | |
mon., P21/c | |
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IMA 2023-016 |
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10.AB. Oxalates |
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10.AB.005. Humboldtine group |
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Glushinskite | |
Mg(C2O4)·2H2O | |
mon., C2/c | |
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Rd |
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Lindbergite | |
Mn(C2O4)·2H2O | |
mon., C2/c | |
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IMA 2003-029 |
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Humboldtine | |
Fe(C2O4)·2H2O | |
mon., C2/c | |
FOTO | |
G |
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Andreybulakhite | |
Zn(C2O4)·2H2O | |
mon., C2/c | |
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IMA 2023-037 |
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Katsarosite | |
Zn(C2O4)·2H2O | |
mon., C2/c | |
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IMA 2020-014 |
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10.AB.010. Falottaite |
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Falottaite | |
Mn(C2O4)·3H2O | |
orth., Pcaa | |
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IMA 2013-044 |
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10.AB.015. Moolooite |
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Moolooite | |
Cu(C2O4)·nH2O | |
orth., Pnnm | |
FOTO | |
IMA 1980-082 |
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10.AB.020. Middlebackite |
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Middlebackite | |
Cu2(C2O4)(OH)2 | |
mon., P21/c | |
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IMA 2015-115 |
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10.AB.025. Fiemmeit |
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Fiemmeit | |
Cu2(C2O4)(OH)2·2H2O | |
mon., P21/c | |
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IMA 2017-115 |
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10.AB.030. Stepanovite group |
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Zhemchuzhnikovite | |
NaMgAl(C2O4)3·9H2O | |
trig., P3c1 | |
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A |
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Stepanovite | |
NaMgFe(C2O4)3·9H2O | |
trig., P3c1 | |
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A |
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10.AB.035. Wheatleyite |
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Wheatleyite | |
Na2Cu(C2O4)2·2H2O | |
tric., P1 | |
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IMA 1984-040 |
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10.AB.040. Antipinite |
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Antipinite | |
KNa3Cu2(C2O4)4 | |
tric., P1 | |
FOTO | |
IMA 2014-027 |
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10.AB.045. Minguzzite |
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Minguzzite | |
K3Fe3+(C2O4)3·3H2O | |
mon., P21/c | |
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G |
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10.AB.050. Whewellite |
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Whewellite | |
Ca(C2O4)·H2O | |
mon., P21/c | |
FOTO | |
A |
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10.AB.055. Weddellite |
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Weddellite | |
Ca(C2O4)·2H2O | |
tetr., I4/m | |
FOTO | |
G |
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10.AB.060. Caoxite |
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Caoxite | |
Ca(C2O4)·3H2O | |
tric., P1 | |
FOTO | |
IMA 1996-012 |
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10.AB.065. Novgorodovaite |
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Novgorodovaite | |
Ca2(C2O4)Cl2·2H2O | |
mon., I2/m | |
FOTO | |
IMA 2000-039 |
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10.AB.070. Natroxalate |
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Natroxalate | |
Na2(C2O4) | |
mon., P2/c | |
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IMA 1994-053 |
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10.AB.075. Oxammite |
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Oxammite | |
(NH4)2(C2O4)·H2O | |
orth., P21212 | |
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G |
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10.AB.080. Deveroite-(Ce) |
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Deveroite-(Ce) | |
Ce2(C2O4)3·10H2O | |
mon., P21/c | |
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IMA 2013-003 |
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10.AB.085. Coskrenite-(Ce) |
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Coskrenite-(Ce) | |
Ce2(SO4)2(C2O4)·8H2O | |
tric., P1 or P1 | |
FOTO | |
IMA 1996-056 |
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10.AB.090. Levinsonite-(Y) |
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Levinsonite-(Y) | |
YAl(SO4)2(C2O4)·12H2O | |
mon., P2/n | |
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IMA 1996-057 |
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10.AB.095. Zugshunstite-(Ce) |
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Zugshunstite-(Ce) | |
CeAl(SO4)2(C2O4)·12H2O | |
mon., C2/c | |
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IMA 1996-055 |
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10.AB.100. Alterite group |
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Magnesioalterite | |
MgFe3+4(SO4)4(C2O4)2(OH)4·17H2O | |
mon., C2/c | |
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IMA 2018-070 |
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Alterite | |
ZnFe3+4(SO4)4(C2O4)2(OH)4·17H2O | |
mon., C2/c | |
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IMA 2020-050 |
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10.AB.105. Phoxite |
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Phoxite | |
(NH4)2Mg2(PO3OH)2(C2O4)·4H2O | |
mon., P21/c | |
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IMA 2018-009 |
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10.AB.110. Uroxite |
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Uroxite | |
[(UO2)2(C2O4)(OH)2(H2O)2]·H2O | |
mon., P21/c | |
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IMA 2018-100 |
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10.AB.115. Metauroxite |
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Metauroxite | |
(UO2)2(C2O4)(OH)2(H2O)2 | |
P1 | |
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IMA 2019-030 |
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10.AC. Mellitates and Citrates |
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10.AC.005. Mellite |
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Mellite | |
Al2[C6(COO)6]·16H2O | |
tetr., I41/acd | |
FOTO | |
G |
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Pigotite | |
Al4C6H5O10·13H2O (?) | |
amorphous (?) | |
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Q |
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Pigotite is probably an amorphous (?) form of aluminium mellitate, perhaps a variety of mellite.
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10.AC.010. Earlandite |
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Earlandite | |
Ca3(C6H5O7)2·4H2O | |
mon. | |
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G |
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10.AD. Cyanates |
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10.AD.005. Julienite |
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Julienite | |
Na2[Co(SCN)4]·8H2O | |
mon. | |
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Rn |
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10.AD.10. Kafehydrocyanite |
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Kafehydrocyanite | |
K4[Fe(CN)6]·H2O | |
tetr. | |
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- |
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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
To distinguish from classical Strunz numbering, on hierarchical "group" level, a numbering with 3 digits is used,
like "10.AA.005. Formicaite", instead of 2 digits (like "10.AA.05.") in the Strunz system.
© Thomas Witzke (2022)
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