Mineralogy Database

O Listing of Minerals

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O Mineral Index (116 Count)

This alphabetical listing of O minerals include synonyms of accepted mineral names, pronunciation of that name, name origins, and locality information.

LEGEND: Valid Species (Bold);  Pronunciation;  Mineral Image;  Mineral Image Gallery;  jCrystal Form;  jPOWD Form;          Calculated Radioactive Intensity

O Mineral Pages:[1] [2]
Osumilite-(Mg) Say Osumilite-(Mg)  View Osumilite-(Mg) Image  (K,Na)(Mg,Fe++)2(Al,Fe+++)3(Si,Al)12O30 Approved IMA 1983
NAME ORIGIN: Named for the locality and the composition. LOCALITY: Historic province of Osumi in Sakkabira, Kyushu, Japan.
Oswaldpeetersite View Oswaldpeetersite Images Gallery  (UO2)2CO3(OH)2·4(H2O) Approved IMA 2000 (Dana # Added)
NAME ORIGIN: Named for Maurice Oswald Peeters (1945-), structural crystallographer at the University of Leuven, Belgium.
Otavite Say Otavite  View Otavite Image  CdCO3 Valid Species (Pre-IMA) 1906
NAME ORIGIN: Named after its locality. LOCALITY: Tsumeb, near Otavi (Namibia).
Otjisumeite Say Otjisumeite PbGe4O9 Approved IMA 1981
NAME ORIGIN: Named for the Herrero tribe name of the locality, Tsumeb. LOCALITY: Tsumeb mine, Namibia.
Ottemannite Say Ottemannite   Sn2S3 Approved IMA 1966
NAME ORIGIN: Named for J. Ottemann, German mineralogist, Heidelberg, Germany.
Ottensite View Ottensite Image  Na3(Sb2O3)3(SbS3)·3H2O Approved IMA 2006 (Dana # Added)
NAME ORIGIN: Named for Berthold Ottens (b 1942), , mineral collector and dealer from Spiegelau, Germany.
Ottrelite Say Ottrelite  View Ottrelite Image (Mn,Fe++,Mg)2Al4Si2O10(OH)4 Valid Species (Pre-IMA) 1819
NAME ORIGIN: Named for the locality. LOCALITY: In Belgium, in the Ardennes Mountains, from Ottre, Salmchateau, and Veilsalm.
Otwayite Say Otwayite  View Otwayite Image Ni2(CO3)(OH)2·(H2O) Approved IMA 1977
NAME ORIGIN: Named after Charles Albert Otway (1922-), miner and prospector of Cosnells, WA, Australia.
Oulankaite Say Oulankaite  View Oulankaite Image (Pd,Pt)5(Cu,Fe)4SnTe2S2 Approved IMA 1996 (Dana # Added)
NAME ORIGIN: Named after the Oulanka river, which is near the occurrence.
Oulongaite - See Oulankaite
Ourayite Say Ourayite Pb4Ag3Bi5S13 Approved IMA 1977
NAME ORIGIN: Named for the locality. LOCALITY: Old Lout mine, Ouray, Colorado. USA.
Oursinite Say Oursinite  View Oursinite Image   (Co,Mg)(H3O)2[(UO2)SiO4]2·3(H2O) Approved IMA 1983
NAME ORIGIN: Named from the French "oursin", sea urchin, in allusion to the radiating habit of the acicular crystals.
Ovamboite View Ovamboite Image Cu20(Fe,Cu,Zn)6W2Ge6S32 Approved IMA 2003 (Dana # Added)
NAME ORIGIN: Named for the locality. LOCALITY: Tsumeb deposit, Ovamboland, Namibia, and (2) the Maikain deposit, Kazakhstan.
Overite Say Overite  View Overite Image View Overite Form  CaMgAl(PO4)2(OH)·4(H2O) Valid Species (Pre-IMA) 1940
NAME ORIGIN: Named for Edwin J. Over (1903-1963), mineral collector, Colorado Springs, Colorado, USA, who first found the mineral.
Owensite Say Owensite   (Ba,Pb)6(Cu,Fe,Ni)25S27 Approved IMA 1995
NAME ORIGIN: For DeAlton R. Owens (1934- ), Canada Centre for Mineral and energy Technology.
Owyheeite Say Owyheeite  View Owyheeite Image  Pb7Ag2(Sb,Bi)8S20 Valid Species (Pre-IMA) 1921
NAME ORIGIN: Named after its locality. LOCALITY: Poorman Mine, Silver City district, Owyhee County, Idaho, USA.
Oxammite Say Oxammite  View Oxammite Image  (NH4)2(C2O4)·(H2O) Valid Species (Pre-IMA) 1870
NAME ORIGIN: Named as an OXalate of AMMonia.
Oxiberaunite View Oxiberaunite Image (Fe+++,Mn+++)Fe+++5(PO4)4O(OH)4·6(H2O) Not Approved IMA
NAME ORIGIN: Named as the higher oxidation state analog of beraunite.
Oxyberaunite - See Beraunite
Oxybiotite - See Biotite
Oxyhornblende - See Ferrohornblende
Oxyhornblende - See Ferrokaersutite
Oxyjulgoldite - See Julgoldite-(Fe+++)
Oxykaersutite - See Kaersutite
Oxykertschenite - See Metavivianite
Oxykinoshitalite View Oxykinoshitalite Image   (Ba,K)(Mg,Fe++,Ti)3(Si,Al)4O10O2 Approved IMA 2004 (Dana # Added)
NAME ORIGIN: Named in accord with the IMA-approved nomenclature for minerals of them mica group (Rieder et al. 1998, Can. Mineral., 36, 905-912).
Oxypetscheckite - See Petscheckite
Oxyvanite V3O5 Proposed IMA 2008 (Dana # Added)
NAME ORIGIN: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Oyelite Say Oyelite  View Oyelite Images Gallery Ca10B2Si8O29·12(H2O) Approved IMA 1984
NAME ORIGIN: Named for Jiro Oye (1900-1968), professor of mineralogy, Okayama University, Japan.
O Mineral Pages:[1] [2]