Structures published

Total: 408

Ag1.02Pb0.87(Sb1.54Bi1.47)(S5.94As0.06)

Ag_1.02As_0.06Bi_1.47Pb_0.87S_5.94Sb_1.54

Yang, H.Downs, R.T.Evans, S.H.Pinch, W.W.

American Mineralogist (2013) 98, 1310-1314

a=6.9764(4)Å b=19.351(1)Å c=8.3870(4)Å

α=90° β=107.519(2)° γ=90°

Abelsonite

C₃₁H₃₂N₄Ni

Daniel R. Hummer Bruce C. Noll Robert M. Hazen Robert T. Downs

American Mineralogist (2017) 102, 1129-1132

a=8.4416(5)Å b=10.8919(7)Å c=7.2749(4)Å

α=90.465(2)° β=113.158(2)° γ=78.080(2)°

Ca3 Al2 (O4 H4)3

Al₂Ca₃H₁₂O₁₂

Lager, G.A.Downs, R.T.Origlieri, M.Garoutte, R.

American Mineralogist (2002) 87, 642-647

a=12.4286Å b=12.4286Å c=12.4286Å

α=90° β=90° γ=90°

Diopside

CaMgO₆Si₂

Thompson, R. M.Downs, R. T.

American Mineralogist (2008) 93, 177-186

a=9.73770Å b=8.91510Å c=5.24940Å

α=90.00000° β=105.85100° γ=90.00000°

Diopside

CaMgO₆Si₂

Thompson, R. M.Downs, R. T.

American Mineralogist (2008) 93, 177-186

a=9.68080Å b=8.84880Å c=5.21800Å

α=90.00000° β=105.60600° γ=90.00000°

Diopside

CaMgO₆Si₂

Thompson, R. M.Downs, R. T.

American Mineralogist (2008) 93, 177-186

a=9.63410Å b=8.79480Å c=5.19260Å

α=90.00000° β=105.42100° γ=90.00000°

Diopside

CaMgO₆Si₂

Thompson, R. M.Downs, R. T.

American Mineralogist (2008) 93, 177-186

a=9.61350Å b=8.76950Å c=5.18130Å

α=90.00000° β=105.33700° γ=90.00000°

Diopside

CaMgO₆Si₂

Thompson, R. M.Downs, R. T.

American Mineralogist (2008) 93, 177-186

a=9.57310Å b=8.71970Å c=5.15800Å

α=90.00000° β=105.20300° γ=90.00000°

Diopside

CaMgO₆Si₂

Thompson, R. M.Downs, R. T.

American Mineralogist (2008) 93, 177-186

a=9.55570Å b=8.69510Å c=5.14740Å

α=90.00000° β=105.14800° γ=90.00000°

Diopside

CaMgO₆Si₂

Thompson, R. M.Downs, R. T.

American Mineralogist (2008) 93, 177-186

a=9.53910Å b=8.67520Å c=5.13850Å

α=90.00000° β=105.10600° γ=90.00000°

Diopside

CaMgO₆Si₂

Thompson, R. M.Downs, R. T.

American Mineralogist (2008) 93, 177-186

a=9.52700Å b=8.65870Å c=5.13060Å

α=90.00000° β=105.06700° γ=90.00000°

Diopside

CaMgO₆Si₂

Thompson, R. M.Downs, R. T.

American Mineralogist (2008) 93, 177-186

a=9.73970Å b=8.91740Å c=5.25030Å

α=90.00000° β=105.86600° γ=90.00000°

Diopside

CaMgO₆Si₂

Thompson, R. M.Downs, R. T.

American Mineralogist (2008) 93, 177-186

a=9.51640Å b=8.64490Å c=5.12460Å

α=90.00000° β=105.03300° γ=90.00000°

Calcium vanadium (V) oxide dihydrate

CaV₂O_6,2H₂O

Kobsch, Anaïs Downs, Robert T.Domanik, Kenneth J.

Acta Crystallographica Section E (2016) 72, 9 1280-1284

a=6.2059(4)Å b=7.0635(4)Å c=7.7516(5)Å

α=93.166(4)° β=96.548(4)° γ=105.883(4)°

Ruizite

Ca₂H₈Mn₂O₁₇Si₄

Fendrich, Kim V.Downs, Robert T.Origlieri, Marcus J.

Acta Crystallographica Section E (2016) 72, 7 959-963

a=9.0360(3)Å b=6.1683(2)Å c=11.9601(4)Å

α=90° β=91.433(2)° γ=90°

Brackebuschite

HMnO₉Pb₂V₂

Lafuente, Barbara Downs, Robert T.

Acta Crystallographica Section E (2016) 72, 3 293-296

a=7.64920(10)Å b=6.12620(10)Å c=8.9241(2)Å

α=90° β=112.1950(10)° γ=90°

Carbon dioxide

CO₂

Downs, R. T.Somayazulu, M. S.

Acta Crystallographica, Section C: Crystal Structure Communications (1998) 54, 7 897-898

a=5.4942(2)Å b=5.4942(2)Å c=5.4942(2)Å

α=90° β=90° γ=90°

Cobaltaustinite

AsCaCoHO₅

Yang, Hexiong Costin, Gelu Keogh, John Lu, Ren Downs, Robert T.

Acta Crystallographica Section E (2007) 63, 2 i53-i55

a=7.4919(9)Å b=8.9946(9)Å c=5.9158(7)Å

α=90.00° β=90.00° γ=90.00°

Wilkinsonite

Fe₆Na₂O₂₀Si₆

Burt, Jason B.Downs, Robert T.Costin, Gelu

Acta Crystallographica Section E (2007) 63, 5 i122-i124

a=10.3355(5)Å b=10.7847(4)Å c=8.9142(4)Å

α=105.048(3)° β=96.461(3)° γ=125.302(2)°

Tychite

C₄Mg₂Na₆O₁₆S

Schmidt, Gregory R.Reynard, Jacqueline Yang, Hexiong Robert T. Downs

Acta Crystallographica, Section E (2006) 62, 10 i207-i209

a=13.9038(2)Å b=13.9038(2)Å c=13.9038(2)Å

α=90.00° β=90.00° γ=90.00°

Eakerite

Al₂H₂O₂₀Si₆Sn_,2(H₂O)_,2(Ca)

Uchida, Hinako Downs, Robert T.Thompson, Richard M.

Acta Crystallographica Section E (2007) 63, 2 i47-i49

a=15.8202(5)Å b=7.6963(3)Å c=7.4449(3)Å

α=90.00° β=101.293(2)° γ=90.00°

Safflorite

As_1.99Co_0.61Fe_0.17Ni_0.22S_0.01

Yang, Hexiong Downs, Robert T.Eichler, Carla

Acta Crystallographica Section E (2008) 64, 9 i62

a=5.0669(6)Å b=5.8739(7)Å c=3.1346(4)Å

α=90.00° β=90.00° γ=90.00°

Conichalcite

AsCaCuHO₅

Henderson, Rachel R.Yang, Hexiong Downs, Robert T.Jenkins, Robert A.

Acta Crystallographica Section E (2008) 64, 9 i53-i54

a=7.3822(2)Å b=5.8146(2)Å c=9.2136(3)Å

α=90.00° β=90.00° γ=90.00°

Olivenite

As_0.92Cu₂HO₅P_0.08

Li, Chen Yang, Hexiong Downs, Robert T.

Acta Crystallographica Section E (2008) 64, 9 i60-i61

a=8.5844(3)Å b=8.2084(3)Å c=5.9258(2)Å

α=90.130(2)° β=90.00° γ=90.00°

Goethite

FeHO₂

Yang, Hexiong Lu, Ren Downs, Robert T.Costin, Gelu

Acta Crystallographica Section E (2006) 62, 12 i250-i252

a=4.5979(2)Å b=9.9510(5)Å c=3.01780(10)Å

α=90.00° β=90.00° γ=90.00°

Tetrawickmanite

H₆MnO₆Sn

Lafuente, Barbara Yang, Hexiong Downs, Robert T.

Acta Crystallographica Section E Crystallographic Communications (2015) 71, 2 234

a=7.8655(4)Å b=7.8655(4)Å c=7.7938(6)Å

α=90.00° β=90.00° γ=90.00°

Tyrrellite

Co_1.36CuNi_0.64Se₄

Yang, Hexiong Hubler, David K.Lavina, Barbara Downs, Robert T.Costin, Gelu

Acta Crystallographica, Section C (2007) 63, 8 i73-i74

a=9.98850(10)Å b=9.98850(10)Å c=9.98850(10)Å

α=90.00° β=90.00° γ=90.00°

Kolbeckite

H₄O₆PSc

Yang, Hexiong Li, Chen Jenkins, Robert A.Downs, Robert T.Costin, Gelu

Acta Crystallographica Section C (2007) 63, 10 i91-i92

a=5.4258(4)Å b=10.2027(8)Å c=8.9074(7)Å

α=90.00° β=90.502(5)° γ=90.00°

Isokite

CaF_0.80MgO_4.20P

Yang, Hexiong Zwick, Justin Downs, Robert T.Costin, Gelu

Acta Crystallographica Section C (2007) 63, 10 i89-i90

a=6.5109(3)Å b=8.7301(5)Å c=6.9046(5)Å

α=90.00° β=112.246(2)° γ=90.00°

Iranite

Cr₆CuH₂O₃₄Pb₁₀Si₂

Yang, Hexiong Sano, Jennifer L.Eichler, Carla Downs, Robert T.Costin, Gelu

Acta Crystallographica Section C (2007) 63, 12 i122-i124

a=9.5416(4)Å b=11.3992(5)Å c=10.7465(4)Å

α=120.472(2)° β=92.470(2)° γ=55.531(2)°

Trisodium tetramanganese iron/aluminium octasilicate dihydroxide

Al_0.2Ca_0.18F_0.14Fe_0.27H_1.86K_0.2Mg_2.2Mn_2.61Na_2.4O_23.86Si_7.92Ti_0.02

Barkley, Madison C.Yang, Hexiong Downs, Robert T.

Acta Crystallographica Section E (2010) 66, 12 i83

a=9.9024(7)Å b=18.1117(12)Å c=5.2992(4)Å

α=90.00° β=104.034(4)° γ=90.00°

Kovdorskite

H₇Mg₂O₈P

Morrison, Shaunna M.Downs, Robert T.Yang, Hexiong

Acta Crystallographica Section E (2012) 68, 2 i12-i13

a=10.47850(10)Å b=12.9336(2)Å c=4.73080(10)Å

α=90.00° β=105.0540(10)° γ=90.00°

Nioboaeschynite-(Ce)

Ca_0.25Ce_0.79Nb_1.14O₆Ti_0.86

Morrison, Shaunna M.Downs, Robert T.Domanik, Kenneth J.Yang, Hexiong Doell, Donald

Acta Crystallographica Section E (2012) 68, 8 i64-i65

a=11.0563(15)Å b=7.5600(10)Å c=5.3637(7)Å

α=90.00° β=90.00° γ=90.00°

katayamalite

2(O₁₈Si₆Ti)_,2(HO)_,7(Ca)_,K_,3(Li)

Andrade, Marcelo B.Doell, Donald Downs, Robert T.Yang, Hexiong

Acta Crystallographica Section E (2013) 69, 7 i41

a=16.9093(10)Å b=9.7287(5)Å c=20.9019(12)Å

α=90.00° β=112.396(3)° γ=90.00°

Hexacopper(II) calcium/yttrium tris(arsenate/phosphate) hexahydroxide trihydrate

As_2.48Ca_0.31Cu_5.7H₁₂O₂₁P_0.51Y_0.69

Morrison, Shaunna M.Domanik, Kenneth J.Origlieri, Marcus J.Downs, Robert T.

Acta Crystallographica Section E (2013) 69, 9 i61-i62

a=13.5059(5)Å b=13.5059(5)Å c=5.8903(2)Å

α=90.00° β=90.00° γ=120.00°

(sodium magnesium) [magnesium iron(III) silicon] disilicate

Fe_0.17Mg_0.46Na_0.97O₆Si_2.4

Posner, Esther S.Konzett, Jürgen Frost, Daniel J.Downs, Robert T.Yang, Hexiong

Acta Crystallographica Section E (2012) 68, 2 i18

a=9.4432(8)Å b=8.6457(7)Å c=5.2540(5)Å

α=90.00° β=108.003(6)° γ=90.00°

Lithiotantite

Li_0.96Mn_0.03Na_0.01Nb_0.82O₈Ta_2.18

Menezes Filho, Luiz A.D.Yang, Hexiong Downs, Robert T.Chaves, Mário L. S. C.Persiano, Aba C.

Acta Crystallographica Section E (2012) 68, 5 i27-i28

a=7.4425(4)Å b=5.0493(3)Å c=15.2452(7)Å

α=90.00° β=107.381(3)° γ=90.00°

Pyrosmalite-(Fe)

Cl_1.855Fe₈H_7.58O_23.135Si_6,0.45(H₂O)

Yang, Hexiong Downs, Robert T.Yang, Yongbo W.Allen, Warren H.

Acta Crystallographica, Section E: Structure Reports Online (2012) 68, 1 i7-i8

a=13.3165(2)Å b=13.3165(2)Å c=7.0845(2)Å

α=90.00° β=90.00° γ=120.00°

Tricalcium germanium bis(sulfate) hexahydroxide trihydrate

Ca₃GeH₁₂O₁₇S₂

Origlieri, Marcus J.Downs, Robert T.

Acta Crystallographica Section E (2013) 69, 2 i6

a=8.5253(4)Å b=8.5253(4)Å c=10.8039(6)Å

α=90.00° β=90.00° γ=120.00°

Pirquitasite

Ag_1.87Cd_0.03Cu_0.13Fe_0.36S₄SnZn_0.61

Schumer, Benjamin N.Downs, Robert T.Domanik, Kenneth J.Andrade, Marcelo B.Origlieri, Marcus J.

Acta Crystallographica Section E (2013) 69, 2 i8-i9

a=5.7757(12)Å b=5.7757(12)Å c=10.870(2)Å

α=90.00° β=90.00° γ=90.00°

Tricalcium manganese bis(sulfate) hexahydroxide trihydrate

Ca₃H₆MnO₁₄S_2,3(H₂O)

Barkley, Madison C.Yang, Hexiong Evans, Stanley H.Downs, Robert T.Origlieri, Marcus J.

Acta Crystallographica, Section E (2011) 67, 9 i47-i48

a=8.5405(5)Å b=8.5405(5)Å c=10.8094(9)Å

α=90.00° β=90.00° γ=120.00°

Lithiomarsturite

Ca₂HLiMn₂O₁₅Si₅

Yang, Hexiong Downs, Robert T.Yang, Yongbo W.

Acta Crystallographica Section E (2011) 67, 12 i73

a=7.6467(3)Å b=11.7315(6)Å c=6.8100(3)Å

α=91.874(4)° β=94.465(3)° γ=105.933(3)°

Lotharmeyerite

As₂CaH₃Mn_0.976O₁₀Zn_1.024

Yang, Yongbo W.Evans, Stanley H.Downs, Robert T.Yang, Hexiong

Acta Crystallographica Section E (2012) 68, 1 i9-i10

a=9.0727(6)Å b=6.2530(4)Å c=7.4150(5)Å

α=90.00° β=116.739(4)° γ=90.00°

Clinobarylite

O₇Si_2,Ba_,2(Be)

Domizio, Adrien J. Di Downs, Robert T.Yang, Hexiong

Acta Crystallographica Section E (2012) 68, 10 i78-i79

a=11.6491(5)Å b=4.9175(2)Å c=4.6746(2)Å

α=90.00° β=90.00° γ=90.00°

Junitoite

O₇Si₂Zn_2,H₂O_,Ca

Yang, Hexiong Jenkins, Neil G.Downs, Robert T.

Acta Crystallographica Section E (2012) 68, 10 i73

a=12.530(4)Å b=6.3056(18)Å c=8.562(3)Å

α=90.00° β=90.00° γ=90.00°

Robertsite

Ca₂Mn₃O₁₄P_3,3(H₂O)

Andrade, Marcelo B.Morrison, Shaunna M.Di Domizio, Adrien J.Feinglos, Mark N.Downs, Robert T.

Acta Crystallographica Section E (2012) 68, 10 i74-i75

a=17.3400(9)Å b=19.4464(10)Å c=11.2787(6)Å

α=90.00° β=96.634(3)° γ=90.00°

Penikisite

Al₄H₆Mg_3.94Mn_0.06O₃₀P_6,2(Ba)

Bowman, Michael G.Downs, Robert T.Yang, Hexiong

Acta Crystallographica Section E (2013) 69, 2 i4-i5

a=8.9577(4)Å b=12.0150(5)Å c=4.9079(2)Å

α=90.00° β=100.505(2)° γ=90.00°

Dineodymium(III) tricarbonate octahydrate

C₃H₁₆Nd₂O₁₇

Morrison, Shaunna M.Andrade, Marcelo B.Wenz, Michelle D.Domanik, Kenneth J.Downs, Robert T.

Acta Crystallographica Section E (2013) 69, 3 i15-i16

a=8.9391(4)Å b=9.4694(4)Å c=16.9374(8)Å

α=90.00° β=90.00° γ=90.00°

Tetracalcium magnesium tetrairon(III) hexakis-phosphate tetrahydroxide dodecahydrate

Al_1.07Ca_3.94Fe_2.93H₂₈Mg_1.01O₄₀P₆Sr_0.06

Lafuente, Barbara Downs, Robert T.Yang, Hexiong Jenkins, Robert A.

Acta Crystallographica Section E (2014) 70, 3 i16-i17

a=10.1936(8)Å b=24.1959(18)Å c=6.3218(4)Å

α=90.00° β=91.161(4)° γ=90.00°

Markascherite

Cu₃H₈MoO₈

Yang, H.Jenkins, R. A.Thompson, R. M.Downs, R. T.Evans, S. H.Bloch, E. M.

American Mineralogist (2012) 97, 197-202

a=9.9904Å b=5.9934Å c=5.5255Å

α=90° β=97.428° γ=90°

Siderite

CFeO₃

Lavina, B.Dera, P.Downs, R. T.Yang, W.Sinogeikin, S.Meng, Y.Shen, G.Schiferl, D.

Physical Review B (2010) 82, 064110-064118

a=4.637Å b=4.637Å c=14.98Å

α=90° β=90° γ=120°

Siderite

CFeO₃

Lavina, B.Dera, P.Downs, R. T.Yang, W.Sinogeikin, S.Meng, Y.Shen, G.Schiferl, D.

Physical Review B (2010) 82, 064110-064118

a=4.587Å b=4.587Å c=14.258Å

α=90° β=90° γ=120°

Siderite

CFeO₃

Lavina, B.Dera, P.Downs, R. T.Yang, W.Sinogeikin, S.Meng, Y.Shen, G.Schiferl, D.

Physical Review B (2010) 82, 064110-064118

a=4.368Å b=4.368Å c=12.75Å

α=90° β=90° γ=120°

Siderite

CFeO₃

Lavina, B.Dera, P.Downs, R. T.Yang, W.Sinogeikin, S.Meng, Y.Shen, G.Schiferl, D.

Physical Review B (2010) 82, 064110-064118

a=4.575Å b=4.575Å c=14.29Å

α=90° β=90° γ=120°

Siderite

CFeO₃

Lavina, B.Dera, P.Downs, R. T.Yang, W.Sinogeikin, S.Meng, Y.Shen, G.Schiferl, D.

Physical Review B (2010) 82, 064110-064118

a=4.358Å b=4.358Å c=12.62Å

α=90° β=90° γ=120°

Siderite

CFeO₃

Lavina, B.Dera, P.Downs, R. T.Yang, W.Sinogeikin, S.Meng, Y.Shen, G.Schiferl, D.

Physical Review B (2010) 82, 064110-064118

a=4.579Å b=4.579Å c=14.28Å

α=90° β=90° γ=120°

Fe₄O₅

Lavina, B.Dera, P.Kim, E.Meng, Y.Downs, R. T.Weck, P. F.Sutton, S. R.Zhao, Y.

Proceedings of the National Academy of Sciences (2011) 108, 17281-17284

a=2.8430Å b=9.700Å c=12.29Å

α=90° β=90° γ=90°

Claudetite

As₂O₃

Origlieri, M. J.Downs, R. T.Carducci, M. D.Rosso, K. M.Gibbs, G. V.

General Meeting of the International Mineralogical Association (2006) 19, 142-142

a=4.5460Å b=13.0012Å c=5.3420Å

α=90° β=94.329° γ=90°

Cristobalite

O₂Si

Gibbs, G. V.Boisen, M. B.Downs, R. T.Lasaga, A. C.

Materials Research Society Symposia Proceedings (1988) 121, 155-165

a=4.973Å b=4.973Å c=6.627Å

α=90° β=90° γ=90°

Quartz

O₂Si

Gibbs, G. V.Boisen, M. B.Downs, R. T.Lasaga, A. C.

Materials Research Society Symposia Proceedings (1988) 121, 155-165

a=4.929Å b=4.929Å c=5.319Å

α=90° β=90° γ=120°

Siderite

CFeO₃

Lavina, B.Dera, P.Downs, R. T.Yang, W.Sinogeikin, S.Meng, Y.Shen, G.Schiferl, D.

Physical Review B (2010) 82, 064110-064118

a=4.355Å b=4.355Å c=12.54Å

α=90° β=90° γ=120°

Siderite

CFeO₃

Lavina, B.Dera, P.Downs, R. T.Yang, W.Sinogeikin, S.Meng, Y.Shen, G.Schiferl, D.

Physical Review B (2010) 82, 064110-064118

a=4.548Å b=4.548Å c=13.89Å

α=90° β=90° γ=120°

Cristobalite

O₂Si

Dera, P.Lazarz, J. D.Prakapenka, V. B.Barkley, M.Downs, R. T.

Physics and Chemistry of Minerals (2011) 38, Online-first

a=4.9501Å b=4.9501Å c=6.9259Å

α=90° β=90° γ=90°

Fizelyite

Ag_1.486Pb_3.436S₁₂Sb_5.215

Yang, H.Downs, R. T.Burt, J. B.Costin, G.

The Canadian Mineralogist (2009) 47, 1257-1264

a=19.2767Å b=13.2345Å c=8.7230Å

α=90° β=90.401° γ=90°

Billingsleyite

Ag_6.979As_0.886Cu_0.021S₆Sb_0.114

Bindi, L.Downs, R. T.Menchetti, S.

The Canadian Mineralogist (2010) 48, 155-162

a=10.4760Å b=10.4760Å c=10.4760Å

α=90° β=90° γ=90°

Fettelite

Ag₁₆As₄Fe_0.526Hg_0.474S₁₅

Bindi, L.Downs, R. T.Spry, P. G.Pinch, W. W.Menchetti, S.

Mineralogical Magazine (2012) 76, 551-566

a=26.011Å b=15.048Å c=15.513Å

α=90° β=90.40° γ=90°

Rruffite

As₂Ca₂CuH₄O₁₀

Yang, H.Jenkins, R. A.Downs, R. T.Evans, S. H.Tait, K. T.

The Canadian Mineralogist (2011) 49, 877-884

a=5.8618Å b=12.7854Å c=5.7025Å

α=90° β=109.425° γ=90°

Cristobalite

O₂Si

Dera, P.Lazarz, J. D.Prakapenka, V. B.Barkley, M.Downs, R. T.

Physics and Chemistry of Minerals (2011) 38, Online-first

a=4.908Å b=4.908Å c=6.784Å

α=90° β=90° γ=90°

Lanthanite-(Nd)

C₃H₁₆Eu_0.03Gd_0.08La_0.61Nd_0.95O₁₇Pr_0.17Sm_0.12Y_0.04

Morrison, S. M.Andrade, M. B.Wenz, M. D.Domanik, K. J.Downs, R. T.

Acta Crystallographica, Section E (2013) 69, i15-i16

a=8.9391Å b=9.4694Å c=16.9374Å

α=90° β=90° γ=90°

Siderite

CFeO₃

Lavina, B.Dera, P.Downs, R. T.Yang, W.Sinogeikin, S.Meng, Y.Shen, G.Schiferl, D.

Physical Review B (2010) 82, 064110-064118

a=4.364Å b=4.364Å c=12.66Å

α=90° β=90° γ=120°

Siderite

CFeO₃

Lavina, B.Dera, P.Downs, R. T.Yang, W.Sinogeikin, S.Meng, Y.Shen, G.Schiferl, D.

Physical Review B (2010) 82, 064110-064118

a=4.367Å b=4.367Å c=12.74Å

α=90° β=90° γ=120°

Tyrrellite

Co_1.36CuNi_0.64Se₄

Yang, H.Hubler, D. K.Lavina, B.Downs, R. T.Costin, G.

Acta Crystallographica, Section C (2007) 63, i73-i74

a=9.98850Å b=9.98850Å c=9.98850Å

α=90° β=90° γ=90°

Isokite

CaF_0.8H_0.2MgO_4.2P

Yang, H.Zwick, J.Downs, R. T.Costin, G.

Acta Crystallographica, Section C (2007) 63, i89-i90

a=6.5109Å b=8.7301Å c=6.9046Å

α=90° β=112.246° γ=90°

Kolbeckite

Al_0.01Fe_0.02H₄O₆PSc_0.94V_0.03

Yang, H.Li, C.Jenkins, R. A.Downs, R. T.Costin, G.

Acta Crystallographica, Section C (2007) 63, i91-i92

a=5.4258Å b=10.2027Å c=8.9074Å

α=90° β=90.502° γ=90°

Cobaltaustinite

AsCaCo_0.95Cu_0.05HO₅

Yang, H.Costin, G.Keogh, J.Lu, R.Downs, R. T.

Acta Crystallographica, Section E (2007) 63, i53-i55

a=7.4919Å b=8.9946Å c=5.9158Å

α=90° β=90° γ=90°

Wilkinsonite

Fe_2.75NaO₁₀Si₃

Burt, J. B.Downs, R. T.Costin, G.

Acta Crystallographica, Section E (2007) 63, i122-i124

a=10.3355Å b=10.7847Å c=8.9142Å

α=105.048° β=96.461° γ=125.302°

Olivenite

As_0.916Cu₂HO₅P_0.084

Li, C.Yang, H.Downs, R. T.

Acta Crystallographica, Section E (2008) 64, i60-i61

a=8.5844Å b=8.2084Å c=5.9258Å

α=90.130° β=90° γ=90°

Calcioaravaipaite

AlCa₂F₉Pb

Kampf, A. R.Yang, H.Downs, R. T.Pinch, W. W.

American Mineralogist (2011) 96, 402-407

a=5.3815Å b=5.3846Å c=12.2034Å

α=91.364° β=101.110° γ=91.525°

Stibioclaudetite

AsO₃Sb

Origlieri, M. J.Downs, R. T.Carducci, M. D.Rosso, K. M.Gibbs, G. V.

General Meeting of the International Mineralogical Association (2006) 19, 142-142

a=4.5757Å b=13.1288Å c=5.4216Å

α=90° β=95.039° γ=90°

S₂Si

Gibbs, G. V.Boisen, M. B.Downs, R. T.Lasaga, A. C.

Materials Research Society Symposia Proceedings (1988) 121, 155-165

a=5.894Å b=5.894Å c=5.944Å

α=90° β=90° γ=120°

Hazenite

H₂₈KMg₂NaO₂₂P₂

Yang, H.Sun, H. J.Downs, R. T.

American Mineralogist (2011) 96, 675-681

a=6.9349Å b=25.1737Å c=11.2195Å

α=90° β=90° γ=90°

S₂Si

Gibbs, G. V.Boisen, M. B.Downs, R. T.Lasaga, A. C.

Materials Research Society Symposia Proceedings (1988) 121, 155-165

a=5.888Å b=5.888Å c=6.806Å

α=90° β=90° γ=90°

Cristobalite II

O₂Si

Dera, P.Lazarz, J. D.Prakapenka, V. B.Barkley, M.Downs, R. T.

Physics and Chemistry of Minerals (2011) 38, Online-first

a=8.011Å b=4.544Å c=8.890Å

α=90° β=121.0° γ=90°

Cristobalite

O₂Si

Dera, P.Lazarz, J. D.Prakapenka, V. B.Barkley, M.Downs, R. T.

Physics and Chemistry of Minerals (2011) 38, Online-first

a=4.599Å b=4.599Å c=6.130Å

α=90° β=90° γ=90°

Octairon(II) hexasilicate deca(chloride/hydroxide) 0.45-hydrate

Cl_1.857Fe₈H_12.025O_23.584Si₆

Yang, Hexiong Downs, Robert T.Yang, Yongbo W.Allen, Warren H.

Acta Crystallographica, Section E: Structure Reports Online (2012) 68, 1 i7-i8

a=13.3165Å b=13.3165Å c=7.0845Å

α=90° β=90° γ=120°

Cristobalite

O₂Si

Dera, P.Lazarz, J. D.Prakapenka, V. B.Barkley, M.Downs, R. T.

Physics and Chemistry of Minerals (2011) 38, Online-first

a=4.632Å b=4.632Å c=6.209Å

α=90° β=90° γ=90°

Goldmanite

Ca_2.907O₁₂Si₃V_1.934

Righter, K.Sutton, S.Danielson, L.Pando, K.Schmidt, G.Yang, H.Berthet, S.Newville, M.Choi, Y.Downs, R. T.Malavergne, V.

American Mineralogist (2011) 96, 1278-1290

a=12.0790Å b=12.0790Å c=12.0790Å

α=90° β=90° γ=90°

Cristobalite

O₂Si

Dera, P.Lazarz, J. D.Prakapenka, V. B.Barkley, M.Downs, R. T.

Physics and Chemistry of Minerals (2011) 38, Online-first

a=4.682Å b=4.682Å c=6.311Å

α=90° β=90° γ=90°

Goldmanite

Al_0.22Ca_2.778Cr_0.07Mn_0.129O₁₂Si₃V_1.62

Righter, K.Sutton, S.Danielson, L.Pando, K.Schmidt, G.Yang, H.Berthet, S.Newville, M.Choi, Y.Downs, R. T.Malavergne, V.

American Mineralogist (2011) 96, 1278-1290

a=12.0276Å b=12.0276Å c=12.0276Å

α=90° β=90° γ=90°

Cristobalite II

O₂Si

Dera, P.Lazarz, J. D.Prakapenka, V. B.Barkley, M.Downs, R. T.

Physics and Chemistry of Minerals (2011) 38, Online-first

a=8.011Å b=4.544Å c=8.890Å

α=90° β=121.0° γ=90°

Cristobalite

O₂Si

Dera, P.Lazarz, J. D.Prakapenka, V. B.Barkley, M.Downs, R. T.

Physics and Chemistry of Minerals (2011) 38, Online-first

a=4.746Å b=4.746Å c=6.445Å

α=90° β=90° γ=90°

Siderite

CFeO₃

Lavina, B.Dera, P.Downs, R. T.Yang, W.Sinogeikin, S.Meng, Y.Shen, G.Schiferl, D.

Physical Review B (2010) 82, 064110-064118

a=4.500Å b=4.500Å c=13.25Å

α=90° β=90° γ=120°

Siderite

CFeO₃

Lavina, B.Dera, P.Downs, R. T.Yang, W.Sinogeikin, S.Meng, Y.Shen, G.Schiferl, D.

Physical Review B (2010) 82, 064110-064118

a=4.502Å b=4.502Å c=13.23Å

α=90° β=90° γ=120°

Siderite

CFeO₃

Lavina, B.Dera, P.Downs, R. T.Yang, W.Sinogeikin, S.Meng, Y.Shen, G.Schiferl, D.

Physical Review B (2010) 82, 064110-064118

a=4.607Å b=4.607Å c=14.415Å

α=90° β=90° γ=120°

Siderite

CFeO₃

Lavina, B.Dera, P.Downs, R. T.Yang, W.Sinogeikin, S.Meng, Y.Shen, G.Schiferl, D.

Physical Review B (2010) 82, 064110-064118

a=4.372Å b=4.372Å c=12.72Å

α=90° β=90° γ=120°

Weeksite

H_15.716K_3.762O_41.858Si₁₀U₄

Fejfarova, K.Plasil, J.Yang, H.Cejka, J.Dusek, M.Downs, R. T.Barkley, M. C.Skoda, R.

American Mineralogist (2012) 97, 750-754

a=14.1957Å b=14.2291Å c=9.6305Å

α=90° β=111.578° γ=90°

Goldmanite

Ca_2.862O₁₂Si₃V_1.902

Righter, K.Sutton, S.Danielson, L.Pando, K.Schmidt, G.Yang, H.Berthet, S.Newville, M.Choi, Y.Downs, R. T.Malavergne, V.

American Mineralogist (2011) 96, 1278-1290

a=12.089Å b=12.089Å c=12.089Å

α=90° β=90° γ=90°

Siderite

CFeO₃

Lavina, B.Dera, P.Downs, R. T.Yang, W.Sinogeikin, S.Meng, Y.Shen, G.Schiferl, D.

Physical Review B (2010) 82, 064110-064118

a=4.519Å b=4.519Å c=13.47Å

α=90° β=90° γ=120°

Cristobalite II

O₂Si

Dera, P.Lazarz, J. D.Prakapenka, V. B.Barkley, M.Downs, R. T.

Physics and Chemistry of Minerals (2011) 38, Online-first

a=7.803Å b=4.382Å c=8.366Å

α=90° β=118.7° γ=90°

Siderite

CFeO₃

Lavina, B.Dera, P.Downs, R. T.Yang, W.Sinogeikin, S.Meng, Y.Shen, G.Schiferl, D.

Physical Review B (2010) 82, 064110-064118

a=4.664Å b=4.664Å c=15.168Å

α=90° β=90° γ=120°