All minerals, synonyms and varieties beginning with letter = U.

Language independent All minerals (not only valid)

Uakitite Unnamed (Ba-analogue of Calcioaravaipaite) Uraninite  
Uchucchacuaite   Unnamed (Ba-Mn Oxalate Tetrahydrate) Uranium Mica  
Udinaite   Unnamed (Ca Arsenate Hydrate II) Uranmicrolite  
Uduminelite Unnamed (Ce Tungstate) Uranocircite  
Uedaite-(Ce) Unnamed (Eudialyte 3248) Uranoclite
Uhligite Unnamed (Fe2 -analogue of Brandtite) Uranophane - alpha  
Uintahite Unnamed (Fe2 -analogue of Lileyite) Uranophane-beta  
UKI-2004-(OS:BiCuPb) Unnamed (Ga-dominant member of the epidote group) Uranopilite  
Uklonskovite   Unnamed (Gordaite-related Ca-Zn Sulphate Chloride Hydrate)   Uranopolycrase  
Ulexite   Unnamed (Hydrated Hydrous Na-Ca-Mn-Fe-Zr-Ti Silicate Chloride) Uranopyrochlore  
Ulfanderssonite-(Ce) Unnamed (Kogarkoite-like mineral)   Uranosilite
Ullmannite   Unnamed (Mg-analogue of Batagayite) Uranospathite  
Ulrichite   Unnamed (Mg-analogue of Hopeite) Uranosphaerite  
Ultrabasite Unnamed (Na-Ca-Fe-Silicate-Hydrate) Uranospinite  
Ulvöspinel   Unnamed (Na-Pb Carbonate-Hydroxide II) Uranothorianite  
Ulvöspinel subgroup Unnamed (Na-Pb Carbonate-Hydroxide) Uranothorite
UM1977-03-COSiO:CaClH Unnamed (Nd-analogue of Yttrotungstite-(Ce)) Uranotungstite  
UM1983-09-S:BiPbTe Unnamed (P-analogue of Schultenite)   Uransamarskite
UM1988-05-S:AgBiCuHgPb Unnamed (Partially dehydrated Arsenuranospathite) Urea
UM1988-06-S:AgBiCuHgPb Unnamed (Pb Nitrate I)   Uricite  
UM1999-38-WO:CrV   Unnamed (Pb Oxysulphate Hydrate) Uroxite  
UM2005-31-SiO:CuH Unnamed (Pb13O8(OH)6(NO3)4)   Ursilite
Umangite   Unnamed (Pb2(OH)3(NO3))   Urusovite  
Umbalite   Unnamed (Possible Ca-analogue of androsite-(Ce)) Urvantsevite  
Umbite   Unnamed (Possible Cr analogue of ferriallanite-(Ce)) Ushkovite  
Umbozerite   Unnamed (possible Mn2+ analogue of Ferriakasakaite-(La) Usovite  
Umbrianite Unnamed (Possible Mn2+ analogue of uedaite-(Ce)) Ussingite  
Umohoite   Unnamed (possible Mn2+ analogue of uedaite-(Nd)) Ustarasite  
unassigned zeolite structure group unnamed (vacancy-rich, partially inverted spinelloid silicate) Usturite
Ungarettiite (Un) amphiboles Unnamed Pt(Cu0.67Sn0.33) Utahite  
Ungavaite Upalite   Uvanite
Ungemachite Uralborite Uvarovite  
Ungursaite Uralite   Uvite  
unidentified   Uralolite   Uytenbogaardtite  
unnamed   Uramarsite   Uzonite  
Unnamed (Arseniosiderite-related mineral)   Uramphite  
Unnamed (Ba Thiosulphate Monohydrate)   Urancalcarite  

All minerals by alphabet

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