Mineraller

Xenophyllite

Na4Fe7(PO4)6

Xenotime-(Y)

Y(PO4)

Xenotime-(Yb)

Yb(PO4)

Xilingolite

Pb3Bi2S6

Omsite

Ni2Fe3+(OH)6[Sb(OH)6]

Xiexiandeite

SiO2

Xanthoxenite

Ca4Fe3+2(PO4)4(OH)2·3H2O

Opal

SiO2·nH2O

Strakhovite

NaBa3(Mn2+,Mn3+)4[Si4O10(OH)2][Si2O7]O2·(F,OH)·H2O

Strelkinite

Na2(UO2)2(VO4)2·6H2O

Orthogersdorffite

NiAsS

Stringhamite

CaCu(SiO4)·H2O

Strontioborite

Sr[B8O11(OH)4]

Strontiochevkinite

(Sr,Ce,La)4Fe2+(Ti,Zr)4O8(Si2O7)2

Strontiodresserite

SrAl2(CO3)2(OH)4·H2O

Strontiofluorite

SrF2

Strontioginorite

CaSrB14O20(OH)6·5H2O

Strontiohurlbutite

SrBe2(PO4)2

Strontiomelane

Sr(Mn4+6Mn3+2)O16

Strontio-orthojoaquinite

NaSr4Fe3+Ti2Si8O24(OH)4

Orthocuproplatinum

Pt3Cu

Osarsite

OsAsS

Orthoclase

K(AlSi3O8)

Ottoite

Pb2TeO5

Strontioperloffite

SrMn2+2Fe3+2(PO4)3(OH)3

Strontiopharmacosiderite

Sr0.5Fe4[(AsO4)3(OH)4]·4H2O

Strunzite

Mn2+Fe3+2(PO4)2(OH)2·6H2O

Struvite-(K)

KMg(PO4)·6H2O

Studenitsite

NaCa2B9O14(OH)4·2H2O

Sturmanite

Ca6Fe3+2(SO4)2.5[B(OH)4](OH)12·25H2O

Stützite

Ag5-xTe3 (x = 0.24-0.36)

Sudoite

Mg2Al3(Si3Al)O10(OH)8

Sudovikovite

PtSe2

Sugakiite

Cu(Fe,Ni)8S8

Sugilite

KNa2Fe3+2(Li3Si12)O30

Suhailite

(NH4)Fe2+3(Si3Al)O10(OH)2

Oulankaite

Pd5Cu4SnTe2S2

Oskarssonite

AlF3

Oxy-chromium-dravite

NaCr3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O

Oxybismutomicrolite

(Bi1.33◻0.67)Ta2O6O

Sulfatoredmondite

[Pb8O2Zn(OH)6](SO4)4·6H2O

Sulphohalite

Na6(SO4)2ClF

Sundiusite

Pb10(SO4)O8Cl2

Suolunite

Ca2Si2O5(OH)2·H2O

Suredaite

PbSnS3

Surite

(Pb,Ca)3Al2(Si,Al)4O10(CO3)2(OH)3·0.3H2O

Sursassite

Mn2+2Al3(SiO4)(Si2O7)(OH)3

Oyelite

Ca5BSi4O13(OH)3·4H2O