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Mineral species of Hungary

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O
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English name Hungarian name Formula Crystal system

O’danielite

Odanielit

H2Na(Zn, Mg)3(AsO4)3

monoclinic

Obertiite

Obertiit

NaNa2[Mg3Fe3+Ti4+]Si8O22O2

monoclinic

Oboyerite

Oboyerit

Pb6H6(Te4+O3)3(Te6+O6)2 • 2H2O

triclinic

Obradovicite

Obradovicit

H4(K, Na)CuFe3+2(AsO4)(MoO4)5 • 12H2O

orthorhombic

Odinite

Odinit

(Fe3+, Mg, Al, Fe2+)2.5(Si, Al)2O5(OH)4

monoclinic or hexagonal

Odintsovite

Ogyincovit

K2Na4Ca3Ti2Be4Si12O38

orthorhombic

Oenite

Oenit

CoSbAs

orthorhombic

Offretite

Offretit

CaKMgAl5Si13O36 • 16H2O

hexagonal

Oftedalite

Oftedalit

(Sc, Ca, Mn2+)2K(Be, Al)3Si12O30

hexagonal

Ogdensburgite

Ogdensburgit

Ca2(Zn, Mn2+)Fe3+4(AsO4)4(OH)6 • 6H2O

orthorhombic

Ohmilite

Ohmilit

Sr3(Ti, Fe3+)(Si2O6)2(O, OH) • 2-3H2O

monoclinic

Ojuelaite

Ojuelait

ZnFe3+2(AsO4)2(OH)2 • 4H2O

monoclinic

Okanoganite-(Y)

Okanoganit-(Y)

(Na, Ca)3(Y, Ce)12B2Si6O27F14

trigonal

Okenite

Okenit

Ca5Si9O23 • 9H2O

triclinic

Okhotskite

Ohotszkit

Ca2(Mn2+, Mg)(Mn3+, Al, Fe3+)2Si3O10 (OH)4

monoclinic (?)

Oldhamite

Oldhamit

(Ca, Mg)S

cubic

Olekminskite

Olekminszkit

Sr(Sr, Ca, Ba)(CO3)2

trigonal

Olenite

Olenit

NaAl3Al6(BO3)3Si6O18O3(OH)

trigonal

Olgite

Olgit

Na(Sr, Ba)PO4

trigonal

Olivenite

Olivenit

Cu2(AsO4)(OH)

monoclinic

Olkhonskite

Olhonszkit

(Cr, V)2Ti3O9

monoclinic

Olmsteadite

Olmsteadit

KFe2+2(Nb, Ta)O2(PO4)2 • 2H2O

orthorhombic

Olsacherite

Olsacherit

Pb2(SeO4)(SO4)

orthorhombic

Olshanskyite

Olsanszkiit

Ca3B4(OH)18

monoclinic (?)

Olympite

Olimpit

LiNa5(PO4)2

orthorhombic

Omeiite

Omeiit

(Os, Ru)As2

orthorhombic

Ominelite

Ominelit

(Fe, Mg)Al3BSiO9

orthorhombic

Omphacite

Omfacit

(Ca, Na)(Mg, Fe, Al)Si2O6

monoclinic

Oneillite

Oneillit

Na15Ca3Mn3Fe3Zr3NbSi25O73(O, OH, H2O)3(OH, Cl)2

trigonal

Onoratoite

Onoratoit

Sb8O11Cl2

triclinic

Oosterboschite

Oosterboschit

(Pd, Cu)7Se5

orthorhombic

Opal

Opál

SiO2 • nH2O

amorphous

Orcélite

Orcélit

Ni5-xAs2 (x = 0.23)

hexagonal

Ordoñezite

Ordoñezit

ZnSb5+2O6

tetragonal

Örebroite

Örebroit

Mn2+3(Sb5+, Fe3+)(SiO4)(O, OH)3

trigonal

Oregonite

Oregonit

Ni2FeAs2

hexagonal

Organovaite-Mn

Organovait-Mn

K8Mn4Nb16(Si4O12)8O16 • nH2O

monoclinic

Organovaite-Zn

Organovait-Zn

K8Zn4Nb16(Si4O12)8O16 • nH2O

monoclinic

Orickite

Orickit

2CuFeS2 • H2O

hexagonal

Orientite

Orientit

Ca2Mn2+Mn3+2Si3O10(OH)4

orthorhombic

Orlandiite

Orlandiit

Pb3Cl4(SeO3) • H2O

triclinic

Orlymanite

Orlymanit

Ca4Mn2+3Si8O20(OH)6 • 2H2O

trigonal

Orpheite

Orpheit

H6Pb10Al20(PO4)12(SO4)5(OH)40 • 11H2O (?)

trigonal

Orpiment

Auripigment

As2S3

monoclinic

Orschallite

Orschallit

Ca3(SO3)2(SO4) • 12H2O

trigonal

Orthobrannerite

Ortobrannerit

U4+U6+Ti4O12(OH)2

orthorhombic

Orthochamosite

Ortochamosit

(Fe2+, Mg, Fe3+)5Al(Si3Al)O10(OH, O)8

orthorhombic

Orthochrysotile

Ortokrizotil

Mg3Si2O5(OH)4

orthorhombic

Orthoclase

Ortoklász

KAlSi3O8

monoclinic

Orthoericssonite

Ortoericssonit

BaMn2+2Fe3+OSi2O7(OH)

orthorhombic

Orthojoaquinite-(Ce)

Ortojoaquinit-(Ce)

Ba2NaCe2Fe2+Ti2Si8O26(OH, F) • H2O

orthorhombic

Orthojoaquinite-(La)

Ortojoaquinit-(La)

Ba2NaLa2Fe2+Ti2Si8O26(OH, F) • H2O

orthorhombic

Orthominasragrite

Ortominasragrit

V4+O(SO4)(H2O)5

orthorhombic

Orthopinakolite

Ortopinakolit

(Mg, Mn2+)2Mn3+BO5

orthorhombic

Orthoserpierite

Ortoserpierit

Ca(Cu2+, Zn)4(SO4)2(OH)6 • 3H2O

orthorhombic

Orthowalpurgite

Ortowalpurgin

Bi4(UO2)O4(AsO4)2 • 2H2O

orthorhombic

Osarizawaite

Osarizawait

PbCu2+Al2(SO4)2(OH)6

trigonal

Osarsite

Ozarzit

(Os, Ru)AsS

monoclinic

Osbornite

Osbornit

TiN

cubic

Osmiridium

Ozmirídium

(Ir, Os)

cubic

Osmium

Ozmium

Os

hexagonal

Osumilite

Osumilit

(K, Na)(Fe2+, Mg)2(Al, Fe3+)3(Si, Al)12 O30

hexagonal

Osumilite-(Mg)

Osumilit-(Mg)

(K, Na)(Mg, Fe2+)2(Al, Fe3+)3(Si, Al)12 O30

hexagonal

Oswaldpeetersite

Oswaldpeetersit

(UO2)2(CO3)(OH)2 • 4H2O

monoclinic

Otavite

Otavit

CdCO3

trigonal

Otjisumeite

Otjisumeit

PbGe4O9

triclinic

Ottemannite

Ottemannit

Sn2S3

orthorhombic

Ottrélite

Ottrélit

(Mn2+, Fe2+, Mg)2Al4Si2O10(OH)4

monoclinic or triclinic

Otwayite

Otwayit

Ni2(CO3)(OH)2 • H2O

orthorhombic

Oulankaite

Oulankait

(Pd, Pt)5(Cu, Fe)4SnTe2S2

tetragonal

Ourayite

Ourayit

Ag3Pb4Bi5S13

orthorhombic

Oursinite

Oursinit

(Co, Mg)(UO2)2Si2O7 • 6H2O

orthorhombic

Ovamboite

Ovamboit

Cu20(Fe, Cu, Zn)6W2Ge6S32

cubic

Overite

Overit

CaMgAl(PO4)2(OH) • 4H2O

orthorhombic

Owensite

Owensit

(Ba, Pb)6(Cu, Fe, Ni)25S27

cubic

Owyheeite

Owyheeit

Pb10-2xAg3+xSb11+xS28 (x = -0.13-0.20)

orthorhombic

Oxammite

Oxammit

(NH4)2C2O4 • H2O

orthorhombic

Oxykinoshitalite

Oxikinoshitalit

Ba(Mg2Ti)(Si2Al2)O10O2

monoclinic

Oyelite

Oyelit

Ca10B2Si8O29 • 12.5H2O

orthorhombic

 

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