Neue Mineralien - Jan. 2010

[Stefan]

IMA No. 2009-076
Sebastião Cristino pegmatite, near Mendes Pimentel and Linópolis, Minas Gerais, Brazil (18°42'S 41°27'W)
Frédéric Hatert
Na2Fe2+MgAl(PO4)3
Wyllieite group
Monoclinic: P21
a 11.910(2), b 12.383(3), c 5.1798(1) Å, β 114.43(3)º /n; structure determined
3.468(35), 3.047(100), 2.849(80), 2.810(35), 2.711(40), 2.688(90), 2.500(40), 2.074(30)

IMA No. 2009-077
Maria Catalina mine, Tierra Amarilla, Chile (22°3'S 68°30' W)
Hexiong Yang
Ca2Cu(AsO4)2·2H2O
Roselite group
Monoclinic: P21
a 5.8618(2), b 12.7854(5), c 5.7025(2) Å, β 109.425(2)º /c; structure determined
5.087(42), 4.177(59), 3.800(41), 3.377(92), 3.190(56), 2.983(89), 2.827(100), 2.114(49)

IMA No. 2009-078
Grubependity Lake cirque (кар озера Грубепендиты), Grubependity Lake,Maldynyrd range, Kozhim River basin, Prepolar Ural, Komi Republic, Russia, several kilometres from the Chudnoe Pd–Au–Cr deposit
Stuart J. Mills
LaAl3(AsO4)2(OH)6
Alunite supergroup
Trigonal: R3m; structure determined
a 7.0316(3), c 16.5151(8) Å
5.755(27), 3.538(55), 2.982(100), 2.211(28), 2.179(19), 1.914(38), 1.767(24), 1.298(18)

IMA No. 2009-079
About 25 km southwest from Monte Metocha, Xixano region, north-eastern Mozambique
Roberta Oberti
KNa2(Mg4Fe3+)Si8O22F2
Amphibole group
Monoclinic: C2/m; structure determined
a = 9.9591(4), b = 17.9529(6) , c = 5.2867(2) Å, β = 103.340(1)º
8.499(58), 3.394(81), 3.286(43), 3.166(60), 2.746(43), 2.707(100), 2.583(45), 2.537(70)

IMA No. 2009-080
Prasolovskoe gold deposit, Kunashir Island, Kurile Islands, Russian Federation (44o23'N 146o
Vladimir A. Kovalenker 01'E)
Ag8Te3Se
New structure type
Trigonal: R3 or R3
a = 15.812(2), c = 19.622(4) Å
3.727(20), 2.996(50), 2.510(30), 2.201(100), 2.152(20), 2.079(30), 2.046(20), 1.817(20)

IMA No. 2009-081
Giftkiesstollen adit, Jáchymov, Czech Republic
Roman Skála
K4(UO2)(CO3)3
Known structure type
Monoclinic: C2/c; structure determined
a = 10.2380(2), b = 9.1930(2), c = 12.2110(3) Å, β = 95.108(2)º
6.061(55), 5.793(30), 5.087(57), 3.740(100), 3.393(44), 2.408(33), 2.281(52), 1.873(40)

IMA No. 2009-082
Shiti barium deposit, Dabashan region, Shanxi Province, China (32o43'45'' to 32o45'06''N 109o08'22'' to 109o
Jiajun Liu 10'20''E)
Ba2(Ca,Mg)(V3+,Al)2(Si4O10 )(OH,F)2O(CO3)2
New structure type
Monoclinic: Cc; structure determined
a = 5.2050(12), b = 9.033(2), c = 32.077(8) Å, β = 93.49(8)º
15.87(7), 5.340(91), 4.010(10), 3.209(23), 2.676(100), 2.294(29), 2.008(11), 1.607(4)

IMA No. 2009-083
Jeffrey Mine, Asbestos, Shipton Township, Richmond County, Quebec, Canada
Ralph Rowe
Ni3Sn
Isostructural with auricupride
Cubic: Pm3m; structure determined
a = 3.7344(7) Å
3.728(27), 2.639(22), 2.155(100), 1.867(45), 1.671(10), 1.525(6), 1.320(25), 1.127(22)

IMA No. 2009-084
Sabatini volcanic complex, Valle Biachella, Sacrofano community, Rome Province, Latium, Italy
Fabio Bellatreccia
[Na5Ca2K]8(Si6Al6O24)(SO4)2·0.33H2O
Cancrinite group
Trigonal: R32; structure determined
a = 12.8770(7), c = 95.244(6) Å
3.80(52), 3.72(100), 3.60(53), 3.58(60), 3.55(24), 3.23(65), 3.22(38), 2.65(100)

IMA No. 2009-085
Verkhnee Espe deposit, Akjailyautas Mountains, Kazakhstan (48º03'-48º10'N 81º26'-81º29'E)
Frank C. Hawthorne
NaNa2(Mg2Fe3+2Li)Si8O22F2
Amphibole group
Monoclinic: C2/m; structure determined
a = 9.8297(3), b = 17.9257(6), c = 5.2969(2) Å, β = 103.990(1)º
8.434(40), 4.464(30), 3.405(30), 3.137(20), 2.718(100), 2.541(20), 2.325(15), 2.166(20)

[Stefan]

Arsenoflorencite-(La) = IMA2009-078