Raadeite IMA1996-034
Mg7(PO4)2(OH)8
Rabbittite Ca3Mg3(UO2)2(CO3)6(OH)4·18(H2O)
Rabejacite Ca(UO2)4(SO4)2(OH)6·6(H2O)
Radhakrishnaite PbTe3(Cl,S)2
Radiobarite (Ba,Ra)SO4
Radtkeite Hg3S2ClI
Raguinite TlFeS2
Raite Na3Mn3Ti0.25Si8O20(OH)2·10(H2O)
Rajite CuTe++++2O5
Ralstonite NaxMgxAl2-x(F,OH)6·(H2O)
Rambergite MnS
Ramdohrite Ag3Pb6Sb11S24
Rameauite K2CaU++++++6O20·9(H2O)
Rammelsbergite NiAs2
Ramsbeckite (Cu,Zn)15(SO4)4(OH)22·6(H2O)
Ramsdellite MnO2
Rancieite (Ca,Mn++)Mn++++4O9·3(H2O)
Rankachite CaFe++V+++++4W++++++8O36·12(H2O)
Rankamaite (Na,K,Pb,Li)3(Ta,Nb,Al)11(O,OH)30
Rankinite Ca3Si2O7
Ransomite CuFe+++2(SO4)4·6(H2O)
Ranunculite HAl(UO2)(PO4)(OH)3·4(H2O)
Rapidcreekite Ca2(SO4)(CO3)·4(H2O)
Rappoldite IMA1998-015
Pb(Co,Ni,Zn,)2(AsO4)2·2(H2O)
Raspite PbWO4
Rasvumite KFe2S3
Rathite Wiltshireite
(Pb,Tl)3As5S10
Rauenthalite Ca3(AsO4)2·10(H2O)
Rauvite Ca(UO2)2V+++++10O28·16(H2O)
Ravatite Phenenthrene
C14H10
Rayite (Ag,Tl)2Pb8Sb8S21
Realgar AsS
Rebulite Tl5Sb5As8S22
Rectorite Ca-Rectorite
Na-Rectorite
Smectite
K-Rectorite
(Na,Ca)Al4(Si,Al)8O20(OH)4·2(H2O)
Reddingite Mn++3(PO4)2·3(H2O)
Redingtonite (Fe++,Mg,Ni)(Cr,Al)2(SO4)4·22(H2O)
Redledgeite BaTi6Cr+++2O16·(H2O)
Reederite-(Y) IMA1994-012
Na15Y2(CO3)9(SO3F)Cl
Reedmergnerite NaBSi3O8
Reevesite Ni6Fe+++2(CO3)(OH)16·4(H2O)
Refikite delta13 dihydor d pimaric acid
C19H31COOH
Reichenbachite Cu++5(PO4)2(OH)4
Reidite IMA2001-013
ZrSiO4
Reinerite Zn3(As+++O3)2
Reinhardbraunsite Calciochondrodite
Ca5(SiO4)2(OH,F)2
Remondite-(Ce) Na3(Ce,La,Ca,Na,Sr)3(CO3)5
Remondite-(La) IMA1999-006
Na3(La,Ce,Ca)3(CO3)5
Renardite Pb(UO2)4(PO4)2(OH)4·7(H2O)
Rengeite IMA1998-055
Sr4ZrTi4Si4O22
Renierite Orange bornite
(Cu,Zn)11(Ge,As)2Fe4S16
Reppiaite Mn++[(V,As)O4(OH)2]2
Retgersite NiSO4·6(H2O)
Retzian-(Ce) Mn2Ce(AsO4)(OH)4
Retzian-(La) (Mn,Mg)2(La,Ce,Nd)(AsO4)(OH)4
Retzian-(Nd) Mn2(Nd,Ce,La)(AsO4)(OH)4
Revdite Na2Si2O5·5(H2O)
Reyerite (Na,K)4Ca14Si22Al2O58(OH)8·6(H2O)
Rhabdophane-(Ce) (Ce,La)PO4·(H2O)
Rhabdophane-(La) (La,Ce)PO4·(H2O)
Rhabdophane-(Nd) (Nd,Ce,La)PO4·(H2O)
Rheniite Kurilite
ReS2
Rhenium Re
Rhodarsenide IMA1996-030
(Rh,Pd)2As
Rhodesite KHCa2Si8O19·5(H2O)
Rhodium (Rh,Pt)
Rhodizite (K,Cs)Al4Be4(B,Be)12O28
Rhodochrosite Manganese spar
Dialogite
MnCO3
Rhodonite Fowlerite
(Mn++,Fe++,Mg,Ca)SiO3
Rhodostannite Cu2FeSn3S8
Rhodplumsite Pb2Rh3S2
Rhomboclase (H5O2)+Fe+++(SO4)2·2(H2O)
Rhonite Rhoenite
Ca2(Mg,Fe++,Fe+++,Ti)6(Si,Al)6O20
Ribbeite (Mn++,Mg)5(SiO4)2(OH)2
Richellite Ca3Fe+++10(PO4)8(OH)12·n(H2O)
Richelsdorfite Ca2Cu5Sb(AsO4)4Cl(OH)6·6(H2O)
Richetite PbU++++++4O13·4(H2O)
Richterite Na(CaNa)(Mg,Fe++)5[Si8O22](OH)2
Rickardite Cu7Te5
Riebeckite Crocidolite - asbestos form
[ ]Na2(Fe++3Fe+++2)Si8O22(OH)2
Rilandite (Cr,Al)6SiO11·5(H2O) (?)
Rimkorolgite IMA1990-032
Mg5Ba(PO4)4·8(H2O)
Ringwoodite Mg2SiO4
Rinkite Rinkolite
(Na,Ca)3(Ca,Ce)4Ti4(Si2O7)2(O,F)4
Rinmanite IMA2000-036
(Zn,Mn)2Sb2Mg2Fe4O14(OH)2
Rinneite K3NaFe++Cl6
Rittmannite Mn++Mn++Fe++Al2(OH)2(PO4)4·8(H2O)
Rivadavite Na6MgB24O40·22(H2O)
Riversideite Ca5Si6O16(OH)2·2(H2O)
Roaldite Fe4N
Robertsite Ca6Mn+++9(PO4)9O6(H2O)6·3(H2O)
Robinsonite Pb4Sb6S13
Rockbridgeite Andrewsite
(Fe++,Mn)Fe+++4(PO4)3(OH)5
Rodalquilarite H3Fe+++2(Te++++O3)4Cl
Rodolicoite IMA1995-038
Fe+++PO4
Roeblingite Pb2Ca6(Si6O18)(SO4)2(OH)2·4(H2O)
Roedderite (Na,K)2(Mg,Fe++)5Si12O30
Roggianite Ginzburgite
Ca2[Be(OH)2Al2Si4O13]·<2·5(H2O)
Rohaite Tl2Cu8,5Sb2S4
Rokuhnite Rokuehnite
Fe++Cl2·(H2O)
Rollandite IMA1998-001
Cu3(AsO4)2·4(H2O)
Romanechite Psilomelane
(Ba,H2O)2(Mn++++,Mn+++)5O10
Romanite (Fe2+,U,Pb)2(Ti,Fe3+)O12
Romarchite SnO
Romeite Antimony ochre
Atopite
Lewisite - Mn deficient
(Ca,Fe++,Mn,Na)2(Sb,Ti)2O6(O,OH,F)
Romerite Louderbackite
Roemerite
Fe3(SO4)4·14(H2O)
Ronneburgite IMA1998-069
K2MnV4O12
Rontgenite-(Ce) Ca2(Ce,La)3(CO3)5F3
Rooseveltite BiAsO4
Roquesite CuInS2
Rorisite (Ca,Mg)FCl
Rosasite (Cu,Zn)2(CO3)(OH)2
Roscherite Ca(Mn++,Fe++)5Be4(PO4)6(OH)4·6(H2O)
Roscoelite K(V,Al,Mg)2AlSi3O10(OH)2
Roselite Ca2(Co,Mg)(AsO4)2·2(H2O)
Roselite-beta Beta-roselite
Ca2(Co,Mg)(AsO4)2·2(H2O)
Rosemaryite (Na,Ca,Mn++)(Mn++,Fe++)(Fe+++,Fe++,Mg)Al(PO4)3
Rosenbergite AlF3·3(H2O)
Rosenbuschite (Ca,Na)3(Zr,Ti)Si2O8F
Rosenhahnite Ca3Si3O8[(OH)2-4x,(CO3)x]
Roshchinite Ag19Pb10Sb51S96 or Pb(Ag,Cu)2(Sb,As)5S10
Rosiaite IMA1995-021
PbSb+++++2O6
Rosickyite S
Rosieresite (Pb,Cu,Al)(PO4)x·n(H2O)
Rossite CaV2O6·4(H2O)
Rosslerite Roesslerite
Wapplerite
Mg(AsO3OH)·7(H2O)
Rossmanite IMA1996-018
[ ]LiAl2Al6(Si6O18)(BO3)3(OH)4
Rostite AlSO4(OH,F)·5(H2O)
Rouaite IMA1999-010
Cu2(NO3)(OH)3
Roubaultite Cu2(UO2)3(CO3)2O2(OH)2·4(H2O)
Rouseite Pb2Mn++(As+++O3)2·2(H2O)
Routhierite TlCu(Hg,Zn)2(As,Sb)2S3
Rouvilleite Na3Ca2(CO3)3F
Roweite Ca2Mn++2B4O7(OH)6
Rowlandite-(Y) Y4Fe++Si4O14F2 (?)
Roxbyite Cu1.78S
Rozenite Fe++SO4·4(H2O)
Ruarsite RuAsS
Rubicline IMA1996-058
(Rb,K)AlSi3O8
Rucklidgeite (Bi,Pb)3Te4
Ruitenbergite Ca9B26O34(OH)24Cl4·13(H2O)
Ruizite CaMn+++Si2O6(OH)·2(H2O)
Rusakovite (Fe+++,Al)5(VO4,PO4)2(OH)9·3(H2O)
Russellite Bi2WO6
Rustenburgite (Pt,Pd)3Sn
Rustumite Ca10(Si2O7)2(SiO4)Cl2(OH)2
Ruthenarsenite (Ru,Ni)As
Rutheniridosmine (Ir,Os,Ru)
Ruthenium (Ru,Ir,Os)
Rutherfordine UO2(CO3)
Rutile Sagenite - reticulated
TiO2
Rynersonite Ca(Ta,Nb)2O6