| 'Unnamed (NH₄-Mg Urate)' | (NH4,K,Na)0.8(Mg,Ca,Fe)0.1C5H3O3N |
|---|
| 'Unnamed (Orthorhombic dimorph of Barstowite)' | Pb4CO3Cl6 · H2O |
|---|
| 'Unnamed (Pb Oxalate Dihydrate)' | PbC2O4 · 2H2O |
|---|
| 'Unnamed (Pb Oxalate)' | PbC2O4 |
|---|
| 'Unnamed (Silver Carbonate)' | Ag2CO3 |
|---|
| 'Unnamed (Ti-N-O-C)' | Ti2(N,O,C)3 |
|---|
| 'Unnamed (Zn Carbonate Hydrate)' | Zn4(CO3)(OH)6 · H2O |
|---|
| 'Unnamed (α-Calcium Formate)' | Ca(HCOO)2 |
|---|
| 'Unnamed Organometallic Se Phase' | C, H, Se (?) |
|---|
| Urancalcarite | Ca(UO2)3(CO3)(OH)6 · 3H2O |
|---|
| 'Uranium-bearing Graphite' | C |
|---|
| Urea | CO(NH2)2 |
|---|
| Uricite | C5H4N4O3 |
|---|
| Uroxite | [(UO2)2(C2O4)(OH)2(H2O)2] · H2O |
|---|
| 'Usolite' | CaCO3 |
|---|
| Vasilyevite | [Hg2]102+I3Br2Cl[CO3]O6 |
|---|
| Vaterite | CaCO3 |
|---|
| 'Vertushkovite' | K2(C2O4) · H2O |
|---|
| 'Viellaurite (of Lienau)' | 5MnCO3 · 2Mn2SiO4 |
|---|
| Vishnevite | (Na,K)8(Al6Si6O24)(SO4,CO3) · 2H2O |
|---|
| Voggite | Na2Zr(PO4)(CO3)(OH) · 2H2O |
|---|
| Voglite | Ca2Cu(UO2)(CO3)4 · 6H2O |
|---|
| Wampenite | C18H16 |
|---|
| Weddellite | Ca(C2O4) · (2.5-x)H2O |
|---|
| Wegscheiderite | Na5H3(CO3)4 |
|---|
| Weloganite | Na2Sr3Zr(CO3)6 · 3H2O |
|---|
| Wheatleyite | Na2Cu(C2O4)2 · 2H2O |
|---|
| Whelanite | Cu22+Ca6[Si6O17(OH)](CO3)(OH)3 · 2H2O |
|---|
| Whewellite | Ca(C2O4) · H2O |
|---|
| Whiterockite | CaMgMn33+O2(PO4)2(CO3)F · 5H2O |
|---|
| Widenmannite | Pb2(OH)2[(UO2)(CO3)2] |
|---|
| Widgiemoolthalite | Ni5(CO3)4(OH)2 · 5H2O |
|---|
| 'Wiedgerite' | (C,H,O,S, H2O) |
|---|
| 'Wine stone' | KOOC-CH(OH)-CH(OH)-COOH |
|---|
| Witherite | BaCO3 |
|---|
| Wyartite | CaU5+(UO2)2(CO3)O4(OH) · 7H2O |
|---|
| 'Xylose' | C5H10O5 |
|---|
| Yarlongite | Cr4Fe4NiC4 |
|---|
| Yuchuanite-(Y) | Y2(CO3)3 · H2O |
|---|
| Zabuyelite | Li2CO3 |
|---|
| Zaccagnaite | Zn4Al2(OH)12[CO3] · 3H2O |
|---|
| Zaratite | Ni3(CO3)(OH)4 · 4H2O ? |
|---|
| Zellerite | Ca(UO2)(CO3)2 · 5H2O |
|---|
| Zemkorite | Na2Ca(CO3)2 |
|---|
| Zhemchuzhnikovite | NaMgAl(C2O4)3 · 8H2O |
|---|
| 'Zhonghuacerite-(Ce)' | Ba2Ce(CO3)3F |
|---|
| 'Zinc-bearing Aragonite' | (Ca,Zn)CO3 |
|---|
| 'Zinc-bearing Calcite' | (Ca,Zn)CO3 |
|---|
| 'Zinc-bearing Cerussite' | (Pb,Zn)CO3 |
|---|
| 'Zinc-bearing Dolomite' | Ca(Mg,Zn)(CO3)2 |
|---|
