Minerals: T

TaaffeiteBeMgAl4O8
Tachhydrite(Ca,Mg,Cl,nH2O)
Taenite(Fe, Ni)
TalcMg2Si4O10(OH)
Tantalaeschynite(Y,Ca,Ce,Fe,Nd,Th)(Ti,Nb)2(O,OH)6
Tantalite(Fe,Mn)(Ta,Nb)2O6
TanzaniteCa2Al3(SiO4)3(OH)
Teallite(Pb,Sn,S)
TektiteSi - with Mg, Fe and other impurities
TennantiteCu12As4S13
Testibiopalladite(Pd,Te,Sb)
TetraauricuprideAuCu
Tetradymite(Bi,Te,S)
TetraferroplatinumPtFe
TetrahedriteCu12Sb4S13
TetrataeniteFeNi
ThenarditeNa2SO4
ThomsenoliteNaCaAlF6.H2O
Tiemannite(Hg,Se)
TincalconiteNa2B4O7.5H2O
Tolovkite(Ir,Sb,S)
TongbaiteCr3C2
TopazAl2SiO4(OH,F)2
TorberniteCu(UO2)2(PO4)2.8-12H2O
TremoliteCa2(Mg,Fe)5Si8O22(OH)2
TridydymiteSiO2
Trogtalite(Co,Se)
TronaNa3(HCO3)(CO3).2H2O
TsavoriteCa3Al2(SiO4)3
Tungstenite(W,S)
TungstiteWO3.H2O
TwinnitePb(Sb,As)2S4
TyuyamuniteCa(UO2)2(VO4)2.4H2O