Mineralien / Minerals / Minerales > Systematik und Klassifikation / Systematics and Classification

Neue Mineralien Juli 2009

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Stefan:
IMA No. 2009-017
East mine, Bayan Obo, Inner Mongolia, China (109º57'E 41º46'N)
Ritsuro Miyawaki
KMg2.5Si4O10F2
Mica group
Monoclinic: C2/m
a 5.249(4), b 9.095(5), c 10.142(5) Å, β 99.96(6)º
10.03(95), 4.51(45), 3.37(48), 3.12(41), 2.90(49), 2.62(43), 2.59(67), 2.41(100)

IMA No. 2009-018
Huanzala Mine, Huallanca district, Bolognesi Province, Peru (77º00'W, 9º51'S)
Ritsuro Miyawaki
MgWO4
Wolframite group
Monoclinic: P2/c
a 4.703(2), b 5.689(1), c 4.941(1) Å, β 90.70(2)º
5.69(28), 4.70(74), 3.73(100), 3.63(39), 2.93(83), 2.91(94), 2.47(39), 2.18(32)

IMA No. 2009-019
Aris phonolite, Windhoek District, Auas Mountains, Namibia
Paula C. Piilonen
NaLa2(CO3)2[(CO3)1-xF2x]F
Related to lukechangite-(Ce), cordylite-(Ce), huanghoite-(Ce) and horváthite-(Y)
Hexagonal: P6m2; structure determined
a 5.1131(7), c 8.6759(17) Å
4.428(100), 4.338(41), 3.099(78), 2.557(41), 2.421(21), 2.214(31), 2.203(26), 1.972(44)

IMA No. 2009-020
Poudrette Quarry, Mont Saint-Hilaire, Quebec, Canada
Andrew M. McDonald
Li4Na12(Y,Na,Ca,REE)12(PO4)12(CO3)4(F,OH)8
New structure type; related to IMA 2009-021
Orthorhombic: P222; structure determined
a Å11.167(2), b 11.164(2) c 11.162(1) Å
4.56(57), 3.95(57), 3.54(46), 3.23(37), 3.23(83), 2.71(38), 2.63(100), 2.149(42)

IMA No. 2009-021
Poudrette Quarry, Mont Saint-Hilaire, Quebec, Canada
Andrew M. McDonald
Li4(Na,Ca)12(Y,Ca,REE)6Zr6(PO4)12(CO3)4O4[(OH),F]4
New structure type; related to IMA 2009-020
Triclinic: P1; structure determined
a 10.9977(6), b 10.9985(6), c 10.9966(6) Å, α 90.075(4), β 89.984(4), γ 89.969(4)º
11.04(76), 7.80(79), 6.36(75), 3.89(100), 3.48(68), 2.94(98), 2.59(98), 2.117(65)

IMA No. 2009-023
Bird Nest drift, Otto Mountain, San Bernardino County, California, USA (35°16.6'N, 116°6.0'W)
Anthony R. Kampf
Pb6(Te2O10)(CO3)Cl2(H2O)
New structure type
Monoclinic: C2/c; structure determined
a 21.305(1), b 11.059(1), c 7.564(1) Å, β 101.112(4)º
10.43(35), 3.733(27), 3.595(33), 3.351(66), 3.224(100), 3.093(30), 2.900(44), 2.133(38)

IMA No. 2009-024
Aga mine (35°16.4'N, 116°5.7'W and the Bird Nest drift (35°16.6'N, 116°6.0'W), Otto Mountain, San Bernardino County, California, USA
Anthony R. Kampf
Pb6CuTe4O18(OH)2
New structure type
Monoclinic: P21/n; structure determined
a 7.8552(5), b 10.4837(7), c 11.0426(8) Å, β 95.547(2)º
3.336(69), 3.292(50), 3.195(100), 3.068(47), 3.007(49), 2.942(80), 2.723(29), 2.580(38)

IMA No. 2009-025
Khibiny alkaline massif, Mount Yukspor, Kola Peninsula, Russia
Elena Sokolova
Na3K3Fe3+2Si8O20(OH)4·4H2O
Fe3+-dominant analogue of ershovite
Triclinic: P1; structure determined
a 10.1978 (5), b 12.0155(6), c 5.2263(3) Å, α 103.439(1), β 96.020(1), γ 91.683(1)º
11.778(100), 4.390(70), 4.109(60), 3.390(50), 3.012(70), 2.730(60), 2.606(70)

IMA No. 2009-027
Allende meteorite
Chi Ma
(Fe,Mg)Al12O19
Plumboferrite group
Hexagonal: P63/mmc
a 5.613, c 22.285 Å
5.571(62), 2.807(100), 2.663(48), 2.506(54), 2.229(43), 2.228(51), 2.134(65), 1.403(61)

IMA No. 2009-028
Koashva quarry, Khibina alkaline massif, Kola Peninsula, Russia
Elena Sokolova
Na8(Al6Si6O24)(CO3)·3.5H2O
Cancrinite group
Trigonal: P31c; structure determined
a 12.6678(5), c 10.3401(4) Å
6.378(80), 4.689(100), 3.867(70), 3.664(70), 3.249(100), 2.661(80), 2.399(50), 2.117(60)

IMA No. 2009-029
Kerimasi volcano, Tanzania (2°52'S 35°57'E)
Anatoly N. Zaitsev
Ca3Zr2(Fe3+2Si)O12
Garnet group
Cubic: Ia3d; structure determined
a 12.549(1) Å
4.441(41), 3.140(91), 2.808(70), 2.564(93), 1.985(21), 1.741(26), 1.677(100), 1.403(17)

IMA No. 2009-030
Har Ye’elim Mountain, Dead Sea, Israel (31º14'49"N 35°16'59"E)
Nikita V. Chukanov
BaFe3+12O19
Magnetoplumbite group
Hexagonal: P63/mmc
a 5.875(3), c 23.137(19) Å
2.938(46), 2.770(100), 2.624(94), 2.420(44), 2.225(40), 2.120(25), 1.665(25), 1.627(56)

IMA No. 2009-031
La Fossa crater, Vulcano, Aeolian Islands, Italy
Francesco Demartin
NaAl6(SO4)6(SO3F)F6·36H2O
New structure type
Trigonal: R3; structure determined
a 22.023(2), c 9.237(2) Å
10.997(50), 4.584(25), 4.152(100), 3.873(70), 2.770(20), 2.345(17), 2.166(20)

IMA No. 2009-032
Upper Chegem structure, Kabardino-Balkaria, North Caucasus, Russia (43.2°N 43.1° E)
Evgeny V. Galuskin
CaUO4
Fluorite-type structure
Cubic: Fm3m; structure determined
a 5.3813(2) Å
3.107(100), 2.691(30), 1.902(63), 1.623(54), 1.235(24), 1.203(16), 1.098(22), 0.910(18)

IMA No. 2009-033
Upper Chegem structure, Kabardino-Balkaria, North Caucasus, Russia (43°17' N 43°6.42' E)
Irina O. Galuskina
Ca3Sn2Fe2SiO12
Garnet group
Cubic: Ia3d
a 12.55(3) Å
4.437(67), 3.138(74), 2.806(59), 2.562(100), 1.984(23), 1.677(91), 1.146(31), 1.046(25)

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