Uwe Kolitsch's research while affiliated with Naturhistorisches Museum Wien and other places
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Publications (323)
Piccoliite, ideally NaCaMn3+2(AsO4)2O(OH), is a new mineral discovered in the Fe-Mn ore hosted in metaquartzites of the Montaldo di Mondovì mine, Corsaglia Valley, Cuneo Province, Piedmont, Italy. It occurs as small and rare black crystals and aggregates hosted by a matrix of quartz, associated with calcite and berzeliite/manganberzeliite. It has b...
MII3(TeIVO3)2(OH)2 (M = Mg, Mn, Co, Ni) compounds crystallize isotypically in the hexagonal space group P63mc (No. 186) with unit-cell parameters of a » 13 Å, c » 5 Å. In the crystal structure, a framework with composition M3(TeO3)2(OH)1.50.5+ defines large hexagonal channels extending along [001] where the remaining OH– anions are located. Crystal...
Uranotungstite is an uranyl-tungstate mineral that was until recently only partially characterized with a formula originally given as (Fe2+,Ba,Pb)(UO2)2(WO4)(OH)4·12H2O and an unknown crystal structure. This mineral has been reinvestigated by electron microprobe analysis coupled with 3D electron diffraction. According to the electron microprobe dat...
The crystal structure of natural krautite, MnHAsO4(H2O), was re-evaluated from a cotype specimen, confirming the previously reported monoclinic symmetry for this mineral (space group P21, Z = 8, a = 8.0093(5), b = 15.9372(10), c = 6.8065(4) Å, β = 96.534(2)° at room temperature, 5662 structure factors, 302 parameters, R1 = 0.0295, wR2 = 0.0770). Al...
Alumino-oxy-rossmanite, ideally ☐Al3Al6(Si5AlO18)(BO3)3(OH)3O, is here described as a new member of the tourmaline supergroup. It is an early magmatic Al-rich oxy-tourmaline from a small pegmatitic body embedded in amphibolite and biotite-rich paragneiss. This new pink tourmaline was found in a Moldanubian pegmatite (of the Drosendorf Unit) that oc...
Armellinoite-(Ce), ideally Ca4Ce4+(AsO4)4·H 2 O, is a new mineral discovered in Fe-Mn ore in metaquartzites of the Montaldo mine, Corsaglia Valley, Cuneo Province, Piedmont, Italy. It occurs as very small and rare, pale yellow to brown-yellow pseudo-octahedral translucent crystals hosted by a matrix of quartz, hematite, cryptomelane/hollandite, til...
Secondary minerals could be effective scavengers of toxic arsenic (As) and thallium (Tl). In environments polluted by mining, these elements are abundant both in acid rock/mine drainage scenarios, as well as in carbonate-buffered environments. In this study we have investigated the behavior of As and Tl during weathering in mine waste dumps and an...
Thermessaite-(NH 4 ), ideally (NH 4 ) 2 AlF 3 (SO 4 ), is a new mineral found as a medium- to high-temperature (~250–300°C) fumarole encrustation at the rim of La Fossa crater, Vulcano, Aeolian Islands, Italy. The mineral deposited as aggregates of minute (<0.2 mm) sharp prismatic crystals on the surface of a pyroclastic breccia in association with...
Dopo un’introduzione sulla recente evoluzione e il considerevole aumento di minerali-tipo e di specie nuove per la regione Piemonte e la provincia di Cuneo, grazie ai ritrovamenti e alle identificazioni di campioni provenienti dalle miniere abbandonate di Valletta, Monte Maniglia e Montaldo (oggetto di prossime pubblicazioni), vengono descritti i p...
L’articolo riguarda minerali del gruppo della ganofillite (ganophyllite) identificati di recente. Tra le specie presenti nella mineralizzazione dell’ex miniera di Monte Maniglia, Bellino, sud-ovest del Piemonte sono state individuate eggletonite e tamaite, entrambe nella modificazione monoclina (SEM-EDS, microRaman e SCXRD). Per queste due specie s...
The Pefka Cu-Au-Te-In-Se and nearby St Philippos Pb-Zn-Bi-Sn-Ge-Ga-In vein- and breccia-type deposits in western Thrace, Greece, display strong similarities, but also differences in terms of mineralization style, ore mineralogy, and chemistry, and host rock compositions. The Pefka mineralization consists of two crosscutting vein systems with high s...
The crystal structure of the mineral kröhnkite, Na 2 Cu(SO 4 ) 2 (H 2 O) 2 , contains infinite chains composed of [CuO 4 (OH 2 ) 2 ] octahedra corner-linked with SO 4 tetrahedra. Such or similar tetrahedral–octahedral `kröhnkite-type' chains are present in the crystal structures of numerous compounds with the composition A n M ( X O 4 ) 2 (H 2 O) 2...
For four decades fairbankite was reported to have the formula Pb2+(Te4+O3), but repeated attempts to isolate fairbankite crystals for structural determination found only the visually similar cerussite and, more rarely, anglesite. The crystal-structure determination of fairbankite using single-crystal X-ray diffraction, supported by electron micropr...
The Lavrion area corresponds to the western part of the Attic-Cycladic metamorphic belt,
in the back-arc region of the active Hellenic subduction zone. Between the Eocene and the Miocene, metamorphic rocks (mainly marbles and schists) underwent several stages of metamorphism and deformation due to collision and collapse of the Cycladic belt. Exhuma...
The new mineral gobelinite, ideally
CoCu4(SO4)2(OH)6⚫6H2O, is a new member of
the ktenasite group and the Co analogue of ktenasite,
ZnCu4(SO4)2(OH)6⚫6H2O. It occurs at Cap
Garonne (CG), Var, France (type locality), and Eisenzecher Zug (EZ),
Siegerland, North Rhine-Westphalia, Germany (cotype locality). The mineral
forms pale green, bluish green or...
The Dudica deposit is located in the southern part of the Republic of North Macedonia (RNM), not far from the border with Greece in the Kozuf–Aridean volcanic region. The deposit is genetically associated
with the Neogene igneous event (≥6 Ma, K/Ar), which is manifested at the intersection of northeast trending faults with the northwest trending Va...
Crystal chemistry of the variscite and metavariscite groups: Crystal structures of synthetic CrAsO4⋅2H2O, TlPO4⋅2H2O, MnSeO4⋅2H2O, CdSeO4⋅2H2O and natural bonacinaite, ScAsO4⋅2H2O - Uwe Kolitsch, Matthias Weil, Vadim Kovrugin, Sergey V. Krivovichev
Three new copper–zinc–tellurites, Zn4Cu(TeIVO3)4Cl2, Cu2Zn2(TeIVO3)2(SO4)(OH)2·H2O and Cu2Zn(TeIVO4)(SO4)·H2O (henceforth I, II and III), have been synthesised under mild hydrothermal conditions (473 K). Each compound crystallises in a new structure type, and additionally, II and III represent the first two ever reported copper–zinc–tellurite–sulph...
Systematic phase formation studies in the system Tl/As/O/(H) led to crystal growth of some previously reported and also to numerous novel hydrous and anhydrous phases. Their crystal structures were determined by single crystal X-ray diffraction. This includes the low-temperature forms of TlIH2AsO4 (isotypic with the corresponding phosphate homologu...
Argentoliveingite, ideally Ag3+xPb36-2xAs51+xS112 (0 ≤ x < 0.5), is a new silver-bearing sulphosalt species found in the Lengenbach deposit, Binntal, Canton Wallis, Switzerland. Associated minerals in the holotype, an old museum specimen, are baumhauerite and argentobaumhauerite. In other samples, hendekasartorite, liveingite, rathite and dufrénoys...
The crystal structures of caesium dihydrogen arsenate(V) bis[trihydrogen arsenate(V)], Cs(H2AsO4)(H3AsO4)2, ammonium dihydrogen arsenate(V) trihydrogen arsenate(V), NH4(H2AsO4)(H3AsO4), and dilithium bis(dihydrogen phosphate), Li2(H2PO4)2, were solved from single-crystal X-ray diffraction data. NH4(H2AsO4)(H3AsO4), which was hydrothermally synthesi...
- Kolitsch, U., Schachinger, T., Auer, Ch., Grill, J. (2019): Arsenopyrit, Sb-haltiger Bismuthinit, Bornit, Brannerit, S-reicher Clausthalit, Cobaltit, Covellin, Cubanit, teils Se-reicher Galenit, Gold, eine (Au, Ag, Hg)-Legierung (ca. Au3Ag2Hg), Klinochlor, Kobellit, Limonit, Metatorbernit, Metazeunerit, Monazit-(Ce), Muskovit, Pyrit, Pyrrhotin, Q...
- Kolitsch, U., Schachinger, T., Auer, Ch. (2019): 2118) Baryt, Calcit, Cobaltit, Friedelit, Kutnohorit, Rhododchrosit, Rhodonit, Siegenit, Sonolith, Spessartin und Tephroit vom Krapfmühlkar, Kapruner Tal, Salzburg. In: Walter, F. et al. (2019): Neue Mineralfunde aus Österreich LXVIII. Carinthia II, 209./129., 237-326.
- Kolitsch, U., Schachinger, T., Auer, Ch. (2019): 2113) Akatoreit(?), Albit, Ardennit-(As), Ardennit-(V), „Ardennit-(Si)“, Baryt, Brandtit(?) (oder unbekanntes Ca2Mn(AsO4)2?), Coelestin, Fluorapatit, Fluorcalcioromeit, Frankdicksonit(?), Friedelit, Ganophyllit(?), Hämatit, Hausmannit, Hollandit, Jacobsit, Klinochlor, Kutnohorit, Manganberzeliit, M...
- Kolitsch, U., Auer, Ch. (2019): 2142) Brushit vom Brandberg bei Leoben, Steiermark. In: Walter, F. et al. (2019): Neue Mineralfunde aus Österreich LXVIII. Carinthia II, 209./129., 237-326.
The crystal structure of hydrothermally synthesized ( T = 493 K, 7 d) caesium gallium bis[hydrogen arsenate(V)], CsGa(HAsO 4 ) 2 , was solved by single-crystal X-ray diffraction. The compound crystallizes in the common RbAl(HAsO 4 ) 2 structure type ( R 32) and consists of a basic tetrahedral–octahedral framework topology that houses Cs ⁺ cations i...
IMA No. 2018-094
Armellinoite-(Ce)
Ca4Ce4+(AsO4)4ÆH2O
In the dumps of the Montaldo di Mondovı` mine,
Frazze Rocconi, Borgata Oberti, Montaldo di
Mondovı` (CN), Corsaglia Valley, Piedmont, Italy
(44�1902800N, 7�510800E)
Fernando Ca´mara*, Marco E. Ciriotti, Uwe Kolitsch,
Ferdinando Bosi, Erica Bittarello, Piero Brizio,
Pietro Vignola and Gu¨nter Bla...
IMA No. 2018-099
Escheite
Ca2NaMnTi5[Si12O34]O2(OH)3Æ12H2O
Ariskop quarry, Aris phonolite, Windhoek district,
Namibia (22�460600S, 17�705100E)
Fernando Ca´mara*, Fabrizio Nestola, Marco E.
Ciriotti, Uwe Kolitsch, Marco Merlini, Gu¨nter Blass
and Ralph Wartha
*E-mail: fernando.camara@unimi.it
Zorite group
Orthorhombic: Bbm2; structure determined
a =...
IMA No. 2018-094
Armellinoite-(Ce)
Ca4Ce4+(AsO4)4ÆH2O
In the dumps of the Montaldo di Mondovı` mine,
Frazze Rocconi, Borgata Oberti, Montaldo di
Mondovı` (CN), Corsaglia Valley, Piedmont, Italy
(44�1902800N, 7�510800E)
Fernando Ca´mara*, Marco E. Ciriotti, Uwe Kolitsch,
Ferdinando Bosi, Erica Bittarello, Piero Brizio,
Pietro Vignola and Gu¨nter Bla...
Vein-type Pb-Ni-Bi-Au-Ag mineralization at the Clemence deposit in the Kamariza and "km3" in the Lavrion area, was synchronous with the intrusion of a Miocene granodiorite body and related felsic and mafic dikes and sills within marbles and schists in the footwall of (and within) the Western Cycladic detachment system. In the Serpieri deposit (Kama...
Armellinoite-(Ce)
Ca4Ce4+(AsO4)4·H2O
In the dumps of the Montaldo di Mondovì mine, Frazze Rocconi, Borgata Oberti, Montaldo di
Mondovì (CN), Corsaglia Valley, Piedmont, Italy (44°19’28”N, 7°51’8”E)
Fernando Cámara*, Marco E. Ciriotti, Uwe Kolitsch, Ferdinando Bosi, Erica Bittarello, Piero
Brizio, Pietro Vignola and Günter Blass
*E-mail: fernando.ca...
IMA No. 2018-099
Escheite
Ca2NaMnTi5[Si12O34]O2(OH)3·12H2O
Ariskop quarry, Aris phonolite, Windhoek district, Namibia (22°46’6”S, 17°7’51”E)
Fernando Cámara*, Fabrizio Nestola, Marco E. Ciriotti, Uwe Kolitsch, Marco Merlini, Günter Blass and Ralph Wartha
*E-mail: fernando.camara@unimi.it
Zorite group
Orthorhombic: Bbm2; structure determined
a = 14....
A new mineral species regularly approved by IMA CNMNC.
Crystal-structure refinements in space group P21/c were performed on five grains of rathite with different types and degrees of thallium, silver, and antimony substitutions, as well as quantitative electron-microprobe analyses of more than 800 different rathite samples. The results of these studies both enlarged and clarified the complex spectrum o...
Lavinskyite-1M, a monoclinic MDO (Maximum Degree of Order) polytype related to the orthorhombic MDO polytype lavinskyite-2O (formerly lavinskyite, now redefined), was identified in samples from the Cerchiara manganese mine (Liguria, Italy). Both polytypes have the same ideal chemical formula, K(LiCu)Cu 6 (Si 4 O 11) 2 (OH) 4. Lavinskyite-1M was ori...
The crystal structures of hydrothermally synthesized ( T = 493 K, 7–9 d) ammonium gallium bis[hydrogen arsenate(V)], (NH 4 )Ga(HAsO 4 ) 2 , and thallium aluminium bis[hydrogen arsenate(V)], TlAl(HAsO 4 ) 2 , were solved by single-crystal X-ray diffraction. Both compounds crystallize in the common RbFe(HPO 4 ) 2 structure type ( R \overline{3} c ) a...
The crystal structures of hydrothermally synthesized ( T = 493 K, 7–9 d) rubidium gallium bis[hydrogenarsenate(V)], RbGa(HAsO 4 ) 2 , and rubidium digallium arsenic(V) hexa[hydrogenarsenate(V)], RbGa 2 As(HAsO 4 ) 6 , were solved by single-crystal X-ray diffraction. Both compounds have tetrahedral–octahedral framework topologies. The M⁺ cations are...
Im Zuge von Sanierungsarbeiten im Ambergtunnel (Bau eines Fluchtstollens) wurde im Herbst 2016 eine kleine Deponie mit Aushubmaterial im Wald westlich Göfis (Vorarlberg / Österreich) an einem Forstweg angelegt. Das Aushubmaterial besteht aus Gesteinen der Drusbergschichten und des Schrattenkalks. Diese Deponie wurde von den Autoren mehrfach beprobt...
The crystal structures of hydrothermally synthesized ( T = 493 K, 7 d) thallium(I) digallium arsenic(V) hexakis[hydrogenarsenate(V)], TlGa 2 As(HAsO 4 ) 6 , caesium digallium arsenic(V) hexakis[hydrogenarsenate(V)], CsGa 2 As(HAsO 4 ) 6 , and caesium dialuminium arsenic(V) hexakis[hydrogenarsenate(V)], CsAl 2 As(HAsO 4 ) 6 , were solved by single-c...
Vein-type Pb-Ni-Bi-Au-Ag mineralization at Clemence mine in Kamariza and the Km 3 locality in the Lavrion area was synchronous with the intrusion of a Miocene granodiorite body and related felsic and mafic dykes and sills within marbles and schists that constitute the footwall of the Western Cycladic Detachment System. The Ni-Bi-Au association at C...
Lavinskyite-1M, a monoclinic MDO (Maximum Degree of Order) polytype related to the orthorhombic MDO polytype lavinskyite-2O (formerly lavinskyite, now redefined), was identified in samples from the Cerchiara manganese mine (Liguria, Italy). Both polytypes have the same ideal chemical formula, K(LiCu)Cu6(Si4O11)2(OH)4. Lavinskyite-1M was originally...
The crystal structures of hydrothermally synthesized ( T = 493 K, 7–9 d) rubidium aluminium bis[hydrogen arsenate(V)], RbAl(HAsO 4 ) 2 , caesium iron bis[hydrogen arsenate(V)], CsFe(HAsO 4 ) 2 , rubidium dialuminium arsenic(V) hexakis[hydrogen arsenate(V)], RbAl 2 As(HAsO 4 ) 6 , and caesium diiron arsenic(V) hexakis[hydrogen arsenate(V)], CsFe 2 A...
Rubidium iron bis[hydrogen arsenate(V)], RbFe(HAsO 4 ) 2 , and thallium iron bis[hydrogen arsenate(V)], TlFe(HAsO 4 ) 2 , were grown under mild hydrothermal conditions ( T = 493 K, 7 d). RbFe(HAsO 4 ) 2 adopts the RbFe(HPO 4 ) 2 structure type (space group R \overline{3} c ), while TlFe(HAsO 4 ) 2 crystallizes in the (NH 4 )Fe(HPO 4 ) 2 structure t...
Thermodynamic properties of mansfieldite (AlAsO4·2H2O), angelellite (Fe4(AsO4)2O3), and kamarizaite (Fe3(AsO4)2(OH)3·3H2O) - Juraj Majzlan, Ulla Gro Nielsen, Edgar Dachs, Artur Benisek, Petr Drahota, Uwe Kolitsch, Julia Herrmann, Ralph Bolanz, Martin Števko
Authors: Branko Rieck₁, Uwe Kolitsch₂, Panagiotis Voudouris₃, Gerald Giester₄, Peter Tzeferis₅
(translated from the original “Weitere Naufunde aus Lavrion”, Griechenland, Mineralien Welt, 05/2018)
Already shortly after the finalization of the last comprehensive description of new discoveries from the Lavrion Mining District (KOLITSCH et al. 2014)...
Ulfanderssonite-(Ce) is a new mineral (IMA 2016-107) from the long-abandoned Malmkärra iron mine, one of the Bastnäs-type Fe-rare earth element (REE) deposits in the Bergslagen ore region, central Sweden. It is named for Ulf B. Andersson, a Swedish geologist and petrologist. In the type specimen, the mineral occurs with västmanlandite-(Ce), bastnäs...
The abandoned Sb-As(-Cr) deposit Lojane in northeast Macedonia was mined for realgar, stibnite, and chromite until 1979. The mine site and associated waste and tailings dumps, located close to a school and some small villages, are a substantial source of antimony, arsenic, and chromium pollution and represent one of the major environmental problems...
- Auer, Ch., Kolitsch U. (2017): Die Mineralien des Emmastollens im Ratteingraben bei Waitschach, Kärnten. In: Der Steirische Mineralog, vol.32, p.11-21.
Polloneite, ideally AgPb46As26Sb23S120, is a new N = 4 member of the sartorite homologous series. It occurs in a matrix of baryte from the Pizzone level of the Pollone baryte–pyrite– (Pb–Zn–Ag) deposit at Valdicastello Carducci, near Pietrasanta, in the Apuan Alps, Tuscany, Italy, as anhedral grains up to 0.5 mm across.The mineral is opaque, greyis...
Potassium indium bis[hydrogen arsenate(V)], KIn(HAsO 4 ) 2 , rubidium indium bis[hydrogen arsenate(V)], RbIn(HAsO 4 ) 2 , and caesium indium bis[hydrogen arsenate(V)], CsIn(HAsO 4 ) 2 , were grown under mild hydrothermal conditions ( T = 493 K, 7–8 d). KIn(HAsO 4 ) 2 adopts the KSc(HAsO 4 ) 2 structure type (space group C 2/ c ), while RbIn(HAsO 4...
Écrinsite, ideally AgTl3Pb4As11Sb9S36, is a new thallium sulphosalt species found in the Jas Roux As–Sb–Pb–Tl–Hg–Ag deposit, Parc national des Écrins, Département des Hautes-Alpes, France. Associated minerals in four different samples are jasrouxite, stibnite, smithite,guettardite, chabournéite, pierrotite and As-bearing zinkenite. Écrinsite is opa...
Potassium indium diarsenate(V) was grown under mild hydrothermal conditions ( T = 493 K, 7 d) at a pH value of about 1. It adopts the TlInAs 2 O 7 structure type ( P \overline{1}, Z = 4) and is closely related to the KAlP 2 O 7 ( P 2 1 / c ) and RbAlAs 2 O 7 ( P \overline{1}) structure types. The framework topology of KInAs 2 O 7 is built of two sy...
The crystal structures of hydrothermally synthesized aluminium dihydrogen arsenate(V) dihydrogen diarsenate(V), Al(H 2 AsO 4 )(H 2 As 2 O 7 ), gallium dihydrogen arsenate(V) dihydrogen diarsenate(V), Ga(H 2 AsO 4 )(H 2 As 2 O 7 ), and diindium bis[dihydrogen arsenate(V)] bis[dihydrogen diarsenate(V)], In 2 (H 2 AsO 4 ) 2 (H 2 As 2 O 7 ) 2 , were de...
The crystal structures of hydrothermally synthesized aluminium dihydrogen arsenate(V) dihydrogen diarsenate(V), Al(H2AsO4)(H2As2O7), gallium dihydrogen arsenate(V) dihydrogen diarsenate(V), Ga(H2AsO4)(H2As2O7), and diindium bis[dihydrogen arsenate(V)] bis[dihydrogen diarsenate(V)], In2(H2AsO4)2(H2As2O7)2, were determined from single-crystal X-ray d...
- Kolitsch, U., Auer, Ch., Slama, M. & Jakely, D. (2017): 2048) Aikinit, Arsenopyrit, Bismuthinit, Ettringit, Tennantit und Zálesíit sowie weitere Funde vom niederösterreichischen Anteil des Semmering-Basistunnels, Niederösterreich. Pp. 268-270 in Walter, F. et al. (2017): Neue Mineralfunde aus Österreich LXVI. Carinthia II, 207./127., 217-284.
- Auer, Ch., Kolitsch, U., Bernhard, F. (2017): 2050) Brochantit, Camerolait, Cornwallit, Cualstibit-1M, Devillin und Langit von den Kupferschürfen am Dürrkogel in der Veitsch, Steiermark. Pp. 272-273 in Walter, F. et al. (2017): Neue Mineralfunde aus Österreich LXVI. Carinthia II, 207./127., 217-284.
- Kolitsch, U., Schachinger, T., Auer, Ch. (2017): 2026) Albit, Amphibol, Bementit(?), Braunit, ein Mn-Chlorit, As-haltiger Fluorapatit, Galaxit, Hämatit, Hübnerit, Iwakiit(?), Jakobsit, Kalifeldspat, Kutnahorit, Långbanit, Manganoxide, Nickelskutterudit, Pyrophanit, Quarz, Rhodochrosit, Rhodonit, Safflorit, Sarkinit, Sonolith, Spessartin, Tephroit...
- Kolitsch, U., Schachinger, T., Auer, Ch. (2017): 2023) Arseniosiderit(?), Baryt, Brandtit, Manganberzeliit, Rhodochrosit, Sarkinit und Todorokit vom Mislkopf (Mieslkopf) bei Matrei am Brenner, Nordtirol. Pp. 236-238 in Walter, F. et al. (2017): Neue Mineralfunde aus Österreich LXVI. Carinthia II, 207./127., 217-284.
- Kolitsch, U., Auer, Ch. & Zeug, M. (2017): 2046) Austinit, Billingsleyit, Konichalcit, Lenait?, Luzonit, Marrit, Trechmannit und Zinkrosasit von Annaberg, Niederösterreich (ein Vorbericht). Pp. 265-268 in Walter, F. et al. (2017): Neue Mineralfunde aus Österreich LXVI. Carinthia II, 207./127., 217-284.
Ba2Ho10(Si2O7)3(Si3O10)2 and isotypic Ba2Er10(Si2O7)3(Si3O10)2 represent a new mixed-framework structure type with an unprecedented ratio of di- and trisilicate groups among silicates. The atomic arrangement features asymmetric zigzag chains of edge-sharing Ln³⁺O6 (Ln = Ho, Er) octahedra corner-linked by isolated Si2O7 and horseshoe-shaped Si3O10 g...
The crystal structures of hydrothermally synthesized silver(I) aluminium bis[hydrogen arsenate(V)], AgAl(HAsO 4 ) 2 , silver(I) gallium bis[hydrogen arsenate(V)], AgGa(HAsO 4 ) 2 , silver gallium diarsenate(V), AgGaAs 2 O 7 , and sodium gallium diarsenate(V), NaGaAs 2 O 7 , were determined from single-crystal X-ray diffraction data collected at roo...
