__TOC__
O
Oberthürite (IMA2017-072) 2.0 [no] [no] Oberwolfachite (alunite: IMA2021-010) [no] [no] Oboyerite (tellurite-tellurium oxysalt: IMA1979-009) 4.JN.25 (IUPAC: hexahydrogen hexalead tritellurate(IV) dihexaoxotellurate(VI) dihydrate) Obradovicite (heteropolymolybdate, betpakdalite) 7.GB.40 Obradovicite-KCu (IMA2010-E, IMA1978-061) 7.GB.40 Obradovicite-NaCu (IMA2011-079) 7.GB.40 [no] [no] Obradovicite-NaNa (IMA2011-046) 7.GB.40 [no] [no] O'danielite (alluaudite: IMA1979-040) 8.AC.10 (Na☐ZnZn2[AsO4][AsO3(OH)]2) Odigitriaite (IMA2015-028) 9.E?. [no] [no] (IUPAC: caesium pentasodium pentacalcium [diboron octatriacontaoxotetradecasilicate] difluoride) Odikhinchaite (eudialyte: IMA2020-064) 9.CO. [no] [no] Odinite (serpentine: IMA1988-015) 9.ED.05 Odintsovite (IMA1994-052) 9.CJ.50 [no] Oenite (loellingite: IMA1995-007) 2.EB.10f Offretite (zeolitic tectosilicate: IMA1997 s.p., 1969) 9.GD.25 (IUPAC: potassium calcium magnesium (pentaalumotridecasilicate) hexatriacontaoxy pentadecahydrate) Oftedalite (milarite: IMA2003-045a) 9.CM.05 Ogdensburgite (IMA1980-054) 8.DC.57 (IUPAC: dicalcium tetrairon(III) zinc hexahydro tetrarsenate hexahydrate) Ognitite (IMA2018-006a) 2.0 [no] [no] [no] (IUPAC: nickel bismuth telluride) Ohmilite (IMA1974-031) 9.DH.10 Ojuelaite (arthurite: IMA1979-035) 8.DC.15 (IUPAC: zinc diiron(III) dihydro diarsenate tetrahydrate) Okanoganite-(Y) (okanoganite: IMA1979-048) 9.AJ.35 Okayamalite (melilite: IMA1997-002) 9.BB.10 [no] (IUPAC: dicalcium diboron heptaoxosilicate) Okenite (Y: 1828) 9.EA.40 (IUPAC: decacalcium hexatetracontaoxoctadecasilicate octadecahydrate) Okhotskite (IMA1985-010a) 9.BG.20 Okieite (decavanadate: IMA2018-080) 4.0 [no] [no] Okruschite (roscherite: IMA2013-097) 8.0 [no] [no] (IUPAC: dicalcium pentamanganese(II) tetraberyllium tetrahydro hexarsenate hexahydrate) Oldhamite (galena, rocksalt: 1863) 2.CD.10 (IUPAC: calcium sulfide) Oldsite (IMA2021-075) 7.EC. [no] [no] Olekminskite (IMA1989-047) 5.AB.40 (IUPAC: distrontium dicarbonate) Olenite (tourmaline: IMA1985-006) 9.CK.05 Olgite (aphthitalite: IMA1979-027) 8.AC.40 Olivenite (andalusite: 1820) 8.BB.30 (IUPAC: dicopper hydroxide arsenate) Olkhonskite (schreyerite: IMA1993-035) 4.CB.35 (IUPAC: dichromium trititanium nonaoxide) Olmiite (IMA2006-026) 9.AF.90 [no] (IUPAC: calcium manganese [hydrotrioxosilicate] hydroxide) Olmsteadite (IMA1974-034) 8.DJ.05 (IUPAC: potassium diiron(II) niobium dioxo diphosphate dihydrate) Olsacherite (baryte: IMA1969-009) 7.AD.35 (IUPAC: dilead (tetraoxoselenate(VI)) sulfate) Olshanskyite (IMA1968-025) 6.CA.55 Olympite (IMA1979-065) 8.AA.30 (IUPAC: lithium pentasodium diphosphate) Omariniite (IMA2016-050) 2.0 [no] [no] (Cu8Fe2ZnGe2S12) Omeiite (löllingite: IMA1985-xxx, 1978) 2.EB.15a (IUPAC: osmium diarsenide) Ominelite (IMA1999-025) 9.AJ.05 [no] (IUPAC: iron(II) trialuminium dioxy trioxoborate tetraoxysilicate) Omongwaite (IMA2003-054b) 7.CD.65 (IUPAC: disodium pentacalcium hexasulfate trihydrate) Omphacite (pyroxene: IMA1988 s.p.) 9.DA.20 Omsite (hydrotalcite: IMA2012-025) 4.FB. [no] (IUPAC: dinickel iron(III) hexahydroxide [antimony hexahydroxide]) Ondrušite (lindackerite: IMA2008-010) 8.CE.30 [no] [no] (IUPAC: calcium tetracopper diarsenate di(hydroxoarsenate(V)) decahydrate) Oneillite (eudialyte: IMA1998-064) 9.CO.10 [no] Onoratoite (IMA1967-032) 3.DC.80 (IUPAC: octaantimony undecaoxide dichloride) Oosterboschite (IMA1970-016) 2.BC.10 (IUPAC: hepta(lead,copper) pentaselenide) Opal (a mineraloid) (Y: old) 4.DA.10 [no] Ophirite (heteropolytungstate: IMA2013-017) 4.0 [no] [no] Oppenheimerite (IMA2014-073) 7.0 [no] [no] (IUPAC: disodium uranyl disulfate trihydrate) Orcelite (metalloid alloy: IMA1962 s.p., 1959) 2.AB.10 ( (x = 0.23)) Ordoñezite (tapiolite: 1955) 4.DB.10 (IUPAC: zinc diantimony(V) hexaoxide) Örebroite (welinite: IMA1985-039) 9.AF.75 Oregonite (IMA1962 s.p., 1959) 2.BB.05 (IUPAC: iron dinickel diarsenide) Oreillyite (nitride: IMA2020-030a) 1.0 [no] [no] (IUPAC: dichromium nitride) Organovaite (labuntsovite) 9.CE.30g Organovaite-Mn (IMA2000-031) 9.CE.30g [no] Organovaite-Zn (IMA2001-006) 9.CE.30g [no] Orickite (IMA1978-059) 2.FB.15 (IUPAC: copper iron disulfide monohydrate) Orientite (Y: 1921) 9.BJ.05 Orlandiite (selenite: IMA1998-038, IMA1998-035) 4.JH.20 (IUPAC: trilead tetrachlorine trioxoselenate(IV) monohydrate) Orlovite (mica: IMA2009-006) 9.EC.20 [no] [no] (IUPAC: potassium dilithium titanium undecaoxytetrasilicate fluoride) Orlymanite (IMA1988-029) 9.EE.30 Orpiment (orpiment: 1944) 2.FA.30 (IUPAC: trisulfa diarsenide) Orschallite (sulfite: IMA1990-041) 4.JE.15 (IUPAC: tricalcium disulfite sulfate dodecahydrate) Orthobrannerite (IMA1982 s.p., 1978) 4.DH.05 (IUPAC: uranium(IV) uranium(VI) tetratitanium dihydro dodecaoxide) Orthocuproplatinum (alloy: IMA2018-124) 1.0 [no] [no] (IUPAC: triplatinium copper alloy) Orthoclase (feldspar: IMA1962 s.p., 1823) 9.FA.30 (IUPAC: potassium (aluminium octaoxotrisilicate) Orthogersdorffite (gersdorffite-Pca21: 1982) 2.EB.25 [no] [no] Orthojoaquinite (joaquinite) 9.CE.25 Orthojoaquinite-(Ce) (IMA1979-081b) 9.CE.25 Orthojoaquinite-(La) (IMA2000-D) 9.CE.25 Orthominasragrite (minasragrite: IMA2000-018) 7.DB.20 (IUPAC: vanadium(IV) oxosulfate pentahydrate) Orthopinakiolite (orthopinakiolite: IMA1962 s.p., 1960) 6.AB.40 (IUPAC: dimagnesium manganese(III) dioxo(trioxoborate)) Orthoserpierite (IMA1983-022a) 7.DD.30 (IUPAC: calcium tetracopper hexahydro disulfate trihydrate) Orthowalpurgite (IMA1994-024) 8.EA.05 (IUPAC: uranyl tetrabismuth tetraoxo diarsenate dihydrate) Osakaite (ktenasite: IMA2006-049) 7.DE.40 (IUPAC: tetrazinc hexahydro sulfate pentahydrate) Osarizawaite (alunite, alunite: IMA1987 s.p., 1961 Rd) 7.BC.10 (IUPAC: lead (dialuminium copper(II)) hexahydro disulfate) Osarsite (arsenopyrite: IMA1971-025) 2.EB.20 (IUPAC: osmium sulfarsenide) Osbornite (nitride: 1870) 1.BC.15 (IUPAC: titanium nitride) Oscarkempffite (lillianite: IMA2011-029) 2.0 [no] [no] (Ag10Pb4(Sb17Bi9)S48) Oskarssonite (perovskite: IMA2012-088) 3.0 [no] (IUPAC: aluminium trifluoride) Osmium (element: IMA1991 s.p., 1804 Rd) 1.AF.05 Osumilite (milarite) 9.CM.05 Osumilite (1953) 9.CM.05 (IUPAC: potassium diiron (pentalumino decasilicate) triacontaoxy) Osumilite-(Mg) (IMA2011-083) 9.CM.05 (IUPAC: potassium dimagnesium trialuminium (dialuminodecasilicate) triacontaoxy) Oswaldpeetersite (IMA2000-034) 5.EA.20 (IUPAC: diuranyl dihydro carbonate tetrahydrate) Otavite (calcite: 1842) 5.AB.05 (IUPAC: cadmium carbonate) Otjisumeite (IMA1978-080) 9.J0.15 (IUPAC: lead tetragermanium nonaoxide) Ottemannite (IMA1968 s.p., 1966) 2.DB.10 (IUPAC: ditin trisulfide) Ottensite (IMA2006-014) 2.MA.05 [no] (IUPAC: trisodium tri(trioxodiantimony) (trisulfa antimonide) trihydrate) Ottohahnite (IMA2015-098) 7.0 [no] [no] (IUPAC: dodecasodium tetrauranyl decasulfate tetradecawater trihydrate) Ottoite (lead-tellurium oxysalt: IMA2009-063) 7.0 [no] [no] (IUPAC: dilead tellurium pentaoxide)
Ottrélite (Y: 1842) 9.AF.85 (IUPAC: manganese(II) dialuminium dihydroxide oxide silicate) Otwayite (IMA1976-028) 5.DA.15 (IUPAC: dinickel dihydroxide carbonate monohydrate) Oulankaite (IMA1990-055) 2.BC.40 (IUPAC: pentalead tetracopper tin disulfide ditelluride) Ourayite (lillianite: IMA1976-007) 2.JB.40c (Ag3Pb4Bi5S13) Oursinite (IMA1982-051) 9.AK.10 (IUPAC: cobalt diuranyl di(hydrotrioxosilicate) hexahydrate) Ovamboite (germanite: IMA1992-039) 2.CB.30 [no] (Cu10Fe3WGe3S16) Overite (overite: 1940) 8.DH.20 (IUPAC: calcium magnesium aluminium hydroxide diphosphate tetrahydrate) Owensite (IMA1993-061) 2.FC.05 () Owyheeite (Y: 1920) 2.HC.35 (Ag3Pb10Sb11S28) Oxammite (oxalate: 1870) 10.AB.55 (IUPAC: diammonium oxalate monohydrate) Oxo-magnesio-hastingsite [Ca-amphibole: IMA2011-035] 9.D?. [no] [no] Oxo-mangani-leakeite [Na-amphibole: IMA2015-035] 9.D?. [no] [no] Oxybismutomicrolite (pyrochlore: IMA2019-047) 4.0 [no] [no] Oxycalciopyrochlore (pyrochlore: IMA2010 s.p., IMA1978-052 Rd) 4.0 (IUPAC: dicalcium diniobium hexaoxide oxide) Oxycalciomicrolite (pyrochlore: IMA2019-110) 4.0 [no] [no] Oxycalcioroméite (pyrochlore: IMA2012-022) 4.0 [no] [no] (IUPAC: dicalcium diantimony(V) heptaoxide) Oxy-chromium-dravite (tourmaline: IMA2011-097) 9.CK. [no] [no] Oxy-dravite (tourmaline: IMA2012-004a) 9.CK.05 [no] [no] Oxy-foitite (tourmaline: IMA2016-069) 9.CK.05 [no] [no] Oxykinoshitalite (mica: IMA2004-013) 9.EC.35 Oxynatromicrolite (pyrochlore: IMA2013-063) 4.0 [no] [no] Oxyphlogopite (mica: IMA2009-069) 9.EC.20 [no] [no] Oxyplumboroméite (pyrochlore: IMA2013-042) 4.0 [no] [no] (IUPAC: dilead diantimony heptaoxide) Oxy-schorl (tourmaline: IMA2011-011) 9.CK. [no] [no] Oxystannomicrolite (pyrochlore: IMA2010 s.p., 1968 Rd) 4.0 (red. ) (IUPAC: ditin ditantalum heptaoxide) Oxystibiomicrolite (pyrochlore: IMA2010 s.p., 1938 Rd) 4.0 (red. ) Oxy-vanadium-dravite (tourmaline: IMA2011-E, IMA1999-050 Rd) 9.CK.05 [no] Oxyvanite (IMA2008-044) 4.CB.30 [no] (IUPAC: divanadium(III) vanadium(IV) pentaoxide) Oxyyttrobetafite-(Y) (IMA2022-002) Oyelite (IMA1980-103) 9.HA.80 (IUPAC: decacalcium diboron nonadocosaoxoctasilicate dodecahydrate) Oyonite (IMA2018-002) 2.0 [no] [no] Ozernovskite (tellurate: IMA2021-059) 4.JN. [no] [no] Ozerovaite (IMA2016-019) 8. [no] [no] (IUPAC: disodium potassium trialuminium tetrarsenate)
External links IMA Database of Mineral Properties/ RRUFF Project Mindat.org - The Mineral Database Webmineral.com Mineralatlas.eu minerals O