Neue Mineralien Okt. 2009

[Stefan]

IMA No. 2009-050
Bonnet Island, Georgian Bay, Parry Sound, Ontario, Canada (UTM coordinates 0567531W 5003719N NAD 83)
Edward S. Grew
{(Y, REE)(Ca, Fe2+)2}[(Mg,Fe2+)(Fe3+,Al)]Si3O12; end member is (Y2Ca)(Mg2)Si3O12
Garnet group
Cubic: Ia3d; structure determined
a 11.9947(6) Å
2.999(36), 2.682(100), 2.448(33), 2.190(17), 1.663(17), 1.603(44), 1.309(18)

IMA No. 2009-051
Upper Chegem volcanic structure, Kabardino-Balkaria, North Caucasus, Russia (43°17'N 43°6.42'E)
Irina O. Galuskina
Ca3U6+ZrFe3+2Fe2+O12
Garnet group
Cubic: Ia3d; structure determined
a 12.7456(9) Å
2.846, 2.598, 2.012, 1.701, 1.423, 1.357

IMA No. 2009-052
Upper Chegem volcanic structure, Kabardino-Balkaria, North Caucasus, Russia (43°17'N 43°6'E)
Irina O. Galuskina
Ca3SbSnAl3O12
Garnet group
Cubic: Ia3d; structure determined
a 12.492(1) Å
4.407(77), 3.118(93), 2.789(62), 2.546(97), 1.973(20), 1.732(15), 1.669(100), 1.396(15)

IMA No. 2009-053
Upper Chegem volcanic structure, Kabardino-Balkaria, North Caucasus, Russia (43°17'N 43°6.42'E)
Irina O. Galuskina
Ca3SbZrFe3O12
Garnet group
Cubic: Ia3d; structure determined
a 12.49 Å
4.416(60), 3.123(71), 2.793(55), 2.550(97), 1.732(22), 1.669(100), 1.396(26), 1.140(40)

IMA No. 2009-054
Wiluy River, Yakutia, Russia (63.0oN 112.3o
Irina O. Galuskina E)
Ca3Sc2Si3O12
Garnet group
Cubic: Ia3d; structure determined
a 12.255(1) Å
3.064(62), 2.740(88), 2.502(72), 1.670(32), 1.638(100), 1.138(23), 1.119(30)

IMA No. 2009-055
Dúbrava Sb deposit, Low Tatra Mountains, Slovak Republic
Dan Topa
Pb15-2xSb14+2xS36Ox (x ~ 0.2)
New structure type
Monoclinic: C2/m; structure determined
a 48.189(48), b 4.1104(40), c 34.235(35) Å, β 106.059(15)°
4.012(39), 3.966(39), 3.793(23), 3.433(100), 3.387(31), 3.376(27), 3.269(29), 2.996(26)

IMA No. 2009-056
Nishny Tagil ultramafic complex, Solovyeva Gora, Alexandrov Log, Russia (57°40'N 59°39'W) and the Konder placer, Konder alkaline-ultrabasic massif, Maya River basin, South Yakutia, East Siberia, Russia (57°36'N 134°37'W)
Victor D. Begizov
(Fe,Rh,Ni,Ir,Cu,Pt)9S8
Possibly a distorted pentlandite derivative
Tetragonal: Primitive
a 10.009(5), c 9.840(8) Å
5.72(5), 3.01(7), 2.81(3), 2.23(10), 1.933(6), 1.772(4), 1.367(3), 1.167(4)

IMA No. 2009-057
Kobokobo pegmatite, Kobokobo, South Kivu Province, Democratic Republic of Congo (3º5'S 27º8'E)
Stuart J. Mills
Al6(PO4)4(OH)6∙11H2
New structure type O
Triclinic: P1 or P1
a 7.399(13), b 7.771(17), c 12.144(16) Å, α 99.03(17), β 91.98(17), γ 116.11(15)º
12.03(100), 6.89(60), 4.77(19), 3.740(26), 3.561(42), 3.092(23), 2.914(20), 2.561(20)

IMA No. 2009-058
Lengenbach, Binn Valley, Switzerland
Fabrizio Nestola
Tl5-xPb2x(As,Sb)21-xS34
As-dominant analogue of chabournéite (x ~ 1)
Triclinic: P1 (by analogy with chabournéite)
a 16.217(7), b 42.544(9), c 8.557(4) Å, α 95.72(4), β 90.25(4), γ 96.78(4)º
3.927(100), 3.775(45), 3.685(45), 3.620(50), 3.124(50), 2.929(60), 2.850(70), 2.097(60)

IMA No. 2009-059
Liley, Üdersdorf, Daun, Eifel Mountains, Rheinland-Pfalz, Germany (holotype); Tausonitovaya Gorka, Murun alkaline complex, Irkutsk province, Russia (cotype)
Yulia Uvarova
NaKBaTi2(Si4O12)O2
K analogue of batisite
Orthorhombic: Imma; structure determined
a 8.0884(4), b 10.4970(5), c 13.9372(6) Å
8.353(70), 3.377(30), 3.196(50), 2.907(100), 2.694(30), 2.241(40), 2.179(40), 2.097(50)

IMA No. 2009-060
Prága Hill, Bazsi, Veszprém County, Transdanubia, Hungary (46°56'N 17°15'E)
Giovanna Vezzalini
(Mg0.7K0.5Ca0.5Na0.1)[Al3Si9O24]·10H2
Mg-dominant chabazite O
Rhombohedral: R3; structure determined
a 9.3433(5) Å, α 94.894(4)º
9.306(60), 5.537(37), 4.958(25), 4.315(100), 3.856(20), 3.550(38), 2.924(78), 2.869(41)

IMA No. 2009-062
Tolbachik volcano, Kamchatka, Far-Eastern Region, Russia
Mikhail E. Zelenskiy
Cu3(VO4)2
Dimorph of triclinic mcbirneyite
Monoclinic: P21
a 6.2695(4), b 8.0195(3), c 6.3620(3) Å, β 111.96(1) º /с; structure determined
4.70(60), 3.30(70), 3.22(87), 3.18(34), 2.894(72), 2.761(100), 2.479(59), 2.419(67)

IMA No. 2009-063
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
Pb2TeO5
New structure type
Monoclinic: Cc; structure determined
a 13.099(3), b 5.714(1), c 7.520(2) Å, β 123.80(3)º
3.131(64), 3.055(90), 3.105(100), 2.112(29), 1.810(21), 1.773(43), 1.686(20)

IMA No. 2009-064
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
Pb2Cu5(TeO6)2(OH)2
New structure type
Orthorhombic: P21
a 5.2000(2), b 9.6225(4), c 11.5340(5) Å nm; structure determined
3.693(43), 3.578(44), 3.008(84), 2.950(88), 2.732(100), 1.785(33), 1.475(36)

IMA No. 2009-065
Aga mine (35°16.4'N, 116°5.7'W), Otto Mountain, San Bernardino County, California, USA
Anthony R. Kampf
Pb2Cu4(TeO6)2(H2O)2
New structure type
Orthorhombic: P212121
a 5.2006(5), b 9.6335(10), c 11.6837(13) Å ; structure determined
4.771(76), 4.463(32), 3.544(44), 3.029(100), 2.973(48), 2.665(41), 2.469(40), 2.246(34)