1:1 and < 2:1: 05 Angelellite, 15 Aerugite 08.BD With only medium-sized cations, (OH, etc.):RO4 = 2:1: 05 Cornwallite, 10 Arsenoclasite, 15 Parwelite, 20 Reppiaite, 30 Cornubite 08.BE With only medium-sized cations, (OH, etc.):RO4 > 2:1: 20 Clinoclase, 25 Gilmarite, 25 Arhbarite, 30 Allactite, 30 Flinkite, 35 Chlorophoenicite, 35 Magnesiochlorophoenicite, 40 Gerdtremmelite, 45 Arakiite, 45 Kraisslite, 45 Dixenite, 45 Hematolite, 45 Mcgovernite, 45 Turtmannite, 45 Carlfrancisite, 50 Synadelphite, 55 Holdenite, 60 Kolicite, 65 Sabelliite, 70 Jarosewichite, 75 Theisite, 80 Coparsite 08.BF With medium-sized and large cations, (OH, etc.):RO4 < 0.5:1: 20 Nabiasite 08.BG With medium-sized and large cations, (OH, etc.):RO4 = 0.5:1: 05 Arsenbrackebuschite, 05 Brackebuschite, 05 Gamagarite, 05 Arsentsumebite, 05 Feinglosite, 05 Bushmakinite, 05 Tokyoite, 05 Calderonite 08.BH With medium-sized and large cations, (OH, etc.):RO4 = 1:1: 10 Durangite, 10 Maxwellite, 10 Tilasite; 30 Carminite, 30 Sewardite; 35 Austinite, 35 Adelite, 35 Duftite, 35 Arsendescloizite, 35 Conichalcite, 35 Gabrielsonite, 35 Nickelaustinite, 35 Cobaltaustinite, 35 Tangeite, 35 Gottlobite; 40 Descloizite, 40 Cechite, 40 Pyrobelonite, 40 Mottramite; 45 Bayldonite, 45 Vesignieite; 50 Paganoite, 65 Leningradite 08.BK With medium-sized and large cations, (OH, etc.): 10 Medenbachite, 10 Cobaltneustadtelite, 10 Neustadtelite, 20 Heyite, 25 Jamesite 08.BL With medium-sized and large cations, (OH, etc.):RO4 = 3:1: 05 Beudantite, 05 Hidalgoite, 05 Gallobeudantite, 05 Kemmlitzite, 10 Segnitite, 10 Arsenogorceixite, 10 Arsenocrandallite, 10 Arsenogoyazite, 10 Dussertite, 10 Philipsbornite, 13 Arsenowaylandite, 13 Arsenoflorencite-(Ce), 13 Arsenoflorencite-(La), 13 Arsenoflorencite-(Nd), 13 Graulichite-(Ce) 08.BM With medium-sized and large cations, (OH, etc.):RO4 = 4:1: 05 Retzian-(Ce), 05 Retzian-(La), 05 Retzian-(Nd), 10 Kolitschite 08.BN With only large cations, (OH, etc.):RO4 = 0.33:1: 05 Fermorite, 05 Johnbaumite-M, 05 Johnbaumite, 05 Clinomimetite, 05 Hedyphane, 05 Mimetite-M, 05 Mimetite, 05 Morelandite, 05 Svabite, 05 Turneaureite, 05 Vanadinite 08.BO With only large cations, (OH, etc.):RO4 1:1: 10 Preisingerite, 10 Schumacherite, 15 Atelestite, 15 Hechtsbergite, 20 Kombatite, 20 Sahlinite, 35 Kuznetsovite, 45 Schlegelite 08.C Arsenates and vanadates without additional anions, with H2O 08.CA With small and large/medium cations: 30 Arsenohopeite, 35 Warikahnite, 50 Keyite, 55 Pushcharovskite, 60 Prosperite 08.CB With only medium-sized cations, RO4:H2O = 1:1: 10 Nyholmite, 10 Miguelromeroite, 10 Sainfeldite, 10 Villyaellenite; 15 Krautite, 15 Fluckite; 20 Cobaltkoritnigite, 20 Koritnigite; 25 Yvonite, 30 Geminite, 35 Schubnelite, 40 Radovanite, 45 Kazakhstanite, 50 Kolovratite, 55 Irhtemite, 60 Burgessite 08.CC With only medium-sized cations, RO4:H2O = 1:1.5: 10 Kaatialaite, 15 Leogangite 08.CD With only medium-sized cations, RO4:H2O = 1:2: 10 Mansfieldite, 10 Scorodite, 10 Yanomamite; 15 Parascorodite, 25 Sterlinghillite,