A–Z index

T (349)

• Tacharanite Ca₁₂Al₂Si₁₈O₃₃(OH)₃₆ IMA mineral species
• Tachyhydrite CaMg₂Cl₆·12H₂O IMA mineral species
• Tadzhikite-(Ce) Ca₄Ce³⁺₂Ti☐(B₄Si₄O₂₂)(OH)₂ IMA mineral species
• Taenite (Ni,Fe) IMA mineral species
• Taikanite Sr₃BaMn²⁺₂(Si₄O₁₂)O₂ IMA mineral species
• Taimyrite (Pd,Pt)₉Cu₃Sn₄ IMA mineral species
• Tainiolite KLiMg₂Si₄O₁₀F₂ IMA mineral species
• Taipingite-(CeCa) (Ce₇Ca₂)􏰀Mg(SiO₄)₃[SiO₃(OH)]₄F₃ IMA mineral species
• Taiwan Jade Gem material
• Takanawaite-(Y) YTaO₄ IMA mineral species
• Takanelite (Mn²⁺,Ca)₂ₓ(Mn⁴⁺)₁₋ₓO₂·0.7H₂O IMA mineral species
• Takedaite IMA mineral species
• Takéuchiite Mg₂Mn³⁺O₂(BO₃) IMA mineral species
• Takovite Ni₆Al₂(OH)₁₆[CO₃]·4H₂O IMA mineral species
• Talc IMA mineral species
• Talmessite Ca₂Mg(AsO₄)₂·2H₂O IMA mineral species
• Talnakhite Cu₉Fe₈S₁₆ IMA mineral species
• Tamaite (Ca,K,Ba,Na)₃-₄Mn₂₄(Si,Al)₄₀(O,OH)₁₁₂·nH₂O IMA mineral species
• Tamarugite NaAl(SO₄)₂·6H₂O IMA mineral species
• Tamboite Fe³⁺₃(OH)(H₂O)₂(SO₄)(Te₄+O₃)₃(Te₄+O(OH)₂)(H₂O)₃ IMA mineral species
• Tampa Bay Agatized Coral Fossil
• Tamuraite IMA mineral species
• Tancaite-(Ce) FeCe(MoO₄)₃·3H₂O IMA mineral species
• Tancoite LiNa₂Al(PO₄)(HPO₄)(OH) IMA mineral species
• Taneyamalite (Na,Ca)(Mn,Mg,Fe)₁₂Si₁₂(O,OH)₄₄ IMA mineral species
• Tangdanite Ca₂Cu₉(AsO₄)₄(SO₄)₀.₅(OH)₉·9H₂O IMA mineral species
• Tangeite CaCu(VO₄)(OH) IMA mineral species
• Taniajacoite SrCaMn³⁺₂Si₄O₁₁(OH)₄·2H₂O IMA mineral species
• Tanohataite LiMn₂Si₃O₈(OH) IMA mineral species
• Tantalaeschynite-(Ce) Ce(TiTa)O₆ IMA mineral species
• Tantalaeschynite-(Y) Ce(TiTa)O₆ IMA mineral species
• Tantalcarbide TaC IMA mineral species
• Tantalite-(Fe) Fe²⁺Ta₂O₆ IMA mineral species
• Tantalite-(Mg) MgTa₂O₆ IMA mineral species
• Tantalite-(Mn) Mn²⁺Ta₂O₆ IMA mineral species
• Tantalowodginite (Mn☐)TaTa₂O₈ IMA mineral species
• Tanteuxenite-(Y) Y(Ta,Nb,Ti)₂(O,OH)₆ IMA mineral species
• Tantite Ta₂O₅ IMA mineral species
• Tanzanite Mineral variety
• Tapiaite Ca₅Al₂(AsO₄)₄(OH)₄·12H₂O IMA mineral species
• Tapiolite-(Fe) (Fe,Mn)(Ta,Nb)₂O₆ IMA mineral species
• Tapiolite-(Mn) Mn²⁺Ta₂O₆ IMA mineral species
• Taramellite Ba₄(Fe³⁺,Ti,Fe²⁺,Mg)₄(B₂Si₈O₂₇)O₂Clx IMA mineral species
• Taramite NaCaNa(Mg₃Al₂)Al₂Si₆O₂₂(OH)₂ IMA mineral species
• Taranakite K₃Al₅(PO₃OH)₆(PO₄)₂·18H₂O IMA mineral species
• Tarapacáite K₂CrO₄ IMA mineral species
• Tarbagataite (K☐)Ca(Fe,Mn)₇Ti₂(Si₄O₁₂)₂O₂(OH)₅ IMA mineral species
• Tarbuttite Zn₂(PO₄)(OH) IMA mineral species
• Tarkianite (Cu,Fe)(Re,Mo)₄S₈ IMA mineral species
• Tartarosite C IMA mineral species
• Tarutinoite Ag₃Pb₇Bi₇S₁₉ IMA mineral species
• Taseqite Na₁₂Sr₃Ca₆Fe₃Zr₃Nb[(Si₃O₉)₂(Si₉O₂₇)₂SiO]Cl₂(O,OH,H₂O)₃ IMA mineral species
• Tashelgite CaMgFe²⁺Al₉O₁₆(OH) IMA mineral species
• Tassieite NaCa₂Mg₃Fe²⁺₂F³⁺(PO₄)₆·2H₂O IMA mineral species
• Tatarinovite Ca₃Al(SO₄)[B(OH)₄](OH)₆·12H₂O IMA mineral species
• Tatarskite Ca₆Mg₂(SO₄)₂(CO₃)₂(OH)₄Cl₄·7H₂O IMA mineral species
• Tatyanaite (Pt,Pd,Cu)₉Cu₃Sn₄ IMA mineral species
• Tausonite SrTiO₃ IMA mineral species
• Tavagnascoite Bi₄O₄(SO₄)(OH)₂ IMA mineral species
• Tavorite LiFe³⁺(PO₄)(OH) IMA mineral species
• Tazheranite (Zr,Ti,Ca)(O,☐)₂ IMA mineral species
• Tazieffite Pb₂₀Cd₂(As,Bi)₂₂S₅₀Cl₁₀ IMA mineral species
• Tazzoliite Ba₂CaSr₀.₅Na₀.₅Ti₂Nb₃SiO₁₇[PO₂(OH)₂]₀.₅ IMA mineral species
• Teallite PbSnS₂ IMA mineral species
• Tedhadleyite Hg²⁺Hg⁺₁₀O₄I₂(Cl,Br)₂ IMA mineral species
• Teepleite Na₂[B(OH)₄]Cl IMA mineral species
• Tegengrenite (Mn³⁺₀.₅Sb⁵⁺₀.₅)Mg₂O₄ IMA mineral species
• Teineite Cu²⁺Te⁴⁺O₃·2H₂O IMA mineral species
• Tektite Natural glass
• Telargpalite (Pd,Ag)₃(Te,Bi) IMA mineral species
• Tellurantimony Sb₂Te₃ IMA mineral species
• Telluric iron Fe IMA mineral species
• Tellurite TeO₂ IMA mineral species
• Tellurium Te IMA mineral species
• Tellurobismuthite Bi₂Te₃ IMA mineral species
• Tellurohauchecornite Ni₉BiTeS₈ IMA mineral species
• Telluromandarinoite Fe³⁺₂(Te⁴⁺O₃)₃·6H₂O IMA mineral species
• Telluronevskite Bi₃TeSe₂ IMA mineral species
• Telluropalladinite Pd₉Te₄ IMA mineral species
• Telluroperite Pb₃Te⁴⁺O₄Cl₂ IMA mineral species
• Telyushenkoite (Cs,Na,K)Na₆[Be₂Al₃Si₁₅O₃₉]F₂ IMA mineral species
• Temagamite Pd₃HgTe₃ IMA mineral species
• Tengchongite CaO(UO₂)₆(MoO₄)₂O₅·12H₂O IMA mineral species
• Tengerite-(Y) Y₂(CO₃)₃·2-3H₂O IMA mineral species
• Tennantite-(Cd) IMA mineral species
• Tennantite-(Cu) IMA mineral species
• Tennantite-(Fe) Cu₁₀Fe₂As₄S₁₃ IMA mineral species
• Tennantite-(Hg) IMA mineral species
• Tennantite-(In) Cu₆(Cu₅In)As₄S₁₃ IMA mineral species
• Tennantite-(Mn) IMA mineral species
• Tennantite-(Ni) IMA mineral species
• Tennantite-(Zn) IMA mineral species
• Tenorite CuO IMA mineral species
• Tephroite Mn²⁺₂SiO₄ IMA mineral species
• Terlinguacreekite Hg²⁺₃Cl₂O₂ IMA mineral species
• Terlinguaite Hg₂OCl IMA mineral species
• Ternesite Ca₅(SiO₄)₂(SO₄) IMA mineral species
• Ternovite MgNb₄O₁₁·8-12H₂O IMA mineral species
• Terranovaite (Na,Ca)₈(Si₆₈Al₁₂)O₁₆₀·~8H₂O IMA mineral species
• Terrywallaceite AgPb(Sb,Bi)₃S₆ IMA mineral species
• Terskite Na₄ZrSi₆O₁₆·2H₂O IMA mineral species
• Tertschite Ca₄B₁₀O₁₉·20H₂O IMA mineral species
• Teruelite CaMg(CO₃)₂ Mineral variety
• Teruggite Ca₄Mg[AsB₆O₁₁(OH)₆]₂(H₂O)₁₂·2H₂O IMA mineral species
• Teschemacherite (NH₄)HCO₃ IMA mineral species
• Testibiopalladite PdSbTe IMA mineral species
• Tetra-auricupride CuAu IMA mineral species
• Tetradymite Bi₂Te₂S IMA mineral species
• Tetraferriannite KFe²⁺₃((Fe³⁺,Al)Si₃O₁₀)(OH)₂ IMA mineral species
• Tetraferriphlogopite KMg₃(Fe³⁺Si₃O₁₀)(OH,F)₂ IMA mineral species
• Tetraferroplatinum PtFe IMA mineral species
• Tetrahedrite-(Cd) Cu₆(Cu₄Cd₂)Sb₄S₁₂S IMA mineral species
• Tetrahedrite-(Cu) Cu₆(Cu₄Cu²⁺₂)Sb₄S₁₂S IMA mineral species
• Tetrahedrite-(Fe) IMA mineral species
• Tetrahedrite-(Hg) IMA mineral species
• Tetrahedrite-(Mn) IMA mineral species
• Tetrahedrite-(Ni) IMA mineral species
• Tetrahedrite-(Zn) IMA mineral species
• Tetrarooseveltite Bi(AsO₄) IMA mineral species
• Tetrataenite FeNi IMA mineral species
• Tetrawickmanite Mn²⁺Sn⁴⁺(OH)₆ IMA mineral species
• Tewite K₂(Te₁.₅☐₀.₅)₂W₅O₁₉ IMA mineral species
• Thadeuite CaMg₃(PO₄)₂(OH,F)₂ IMA mineral species
• Thalcusite Tl₂Cu₃FeS₄ IMA mineral species
• Thalénite-(Y) Y₃Si₃O₁₀F IMA mineral species
• Thalfenisite Tl₆(Fe,Ni,Cu)₂₅S₂₆Cl IMA mineral species
• Thalhammerite Pd₉Ag₂Bi₂S₄ IMA mineral species
• Thalliomelane IMA mineral species
• Thalliumpharmacosiderite TlFe₄[(AsO₄)₃(OH)₄]·4H₂O IMA mineral species
• Thaumasite Ca₃Si(OH)₆(SO₄)(CO₃)·12H₂O IMA mineral species
• Thebaite-(NH4) IMA mineral species
• Theisite Cu₅Zn₅(AsO₄,SbO₄)₂(OH)₁₄ IMA mineral species
• Thénardite Na₂SO₄ IMA mineral species
• Theoparacelsite Cu₃(As₂O₇)(OH)₂ IMA mineral species
• Theophrastite Ni(OH)₂ IMA mineral species
• Therasiaite (NH₄)₃KNa₂Fe²⁺Fe³⁺(SO₄)₃Cl₅ IMA mineral species
• Thérèsemagnanite IMA mineral species
• Thermaerogenite CuAl₂O₄ IMA mineral species
• Thermessaite K₂AlF₃(SO₄) IMA mineral species
• Thermessaite-(NH4) (NH₄)₂AlF₃(SO₄) IMA mineral species
• Thermonatrite Na₂CO₃·H₂O IMA mineral species
• Theuerdankite Ag₃AsO₄ IMA mineral species
• Thionasilite Na₂Si₂S₂O₃ IMA mineral species
• Thomasclarkite-(Y) (Na,Ce)(Y,REE)(HCO₃)(OH)₃·4H₂O IMA mineral species
• Thometzekite PbCu²⁺₂(AsO₄)₂·2H₂O IMA mineral species
• Thomsenolite NaCaAlF₆·H₂O IMA mineral species
• Thomsonite-Ca NaCa₂(Al₅Si₅)O₂₀·6H₂O IMA mineral species
• Thomsonite-Sr NaSr₂Al₅Si₅O₂₀·(6-7)H₂O IMA mineral species
• Thorasphite Th₂H(PO₄,AsO₄)₃·6H₂O IMA mineral species
• Thorbastnäsite ThCa(CO₃)₂F₂·3H₂O IMA mineral species
• Thoreaulite (Sn²⁺,Pb)(Ta,Nb)₂O₆ IMA mineral species
• Thorian uraninite (U,Th)O₂ Mineral variety
• Thorianite ThO₂ IMA mineral species
• Thorikosite Pb₃Cl₂(OH)(SbO₃,AsO₃) IMA mineral species
• Thorite ThSiO₄ IMA mineral species
• Thornasite Na₁₂Th₃(Si₈O₁₉)₄·(H₂O)₁₂·6H₂O IMA mineral species
• Thorneite Pb₆(Te₂O₁₀)(CO₃)Cl₂(H₂O) IMA mineral species
• Thorogummite IMA mineral species
• Thorosteenstrupine (Ca,Th,Mn)₃Si₄O₁₁F·6H₂O IMA mineral species
• Thortveitite Sc₂Si₂O₇ IMA mineral species
• Thorutite (Th,U,Ca)Ti₂(O,OH)₆ IMA mineral species
• Thousand Layer Quartz Mineral variety
• Threadgoldite Al(UO₂)₂(PO₄)₂(OH)·8H₂O IMA mineral species
• Thulite Mineral variety
• Thunderbayite TlAg₃Au₃Sb₇S₆ IMA mineral species
• Thunderegg Geode / nodule
• Thuringite Mineral variety
• Tianhongqiite IMA mineral species
• Tianhuixinite (MoO₃)₃·H₂O IMA mineral species
• Tiberiobardiite {Cu₉Al[SiO₃(OH)]₂(OH)₁₂(H₂O)₆}(SO₄)₁.₅·10H₂O IMA mineral species
• Tiemannite HgSe IMA mineral species
• Tienshanite KNa₃Na₆Ca₂Ba₆Mn₆(Ti₄+,Nb)₆B₁₂Si₃₆O₁₁₄(O,OH,F)₁₁ IMA mineral species
• Tiettaite (Na,K)₁₇FeTiSi₁₆O₂₉(OH)₃₀·2H₂O IMA mineral species
• Tiger-iron Rock
• Tiger's eye Rock
• Tikhonenkovite SrAlF₄(OH)(H₂O)₂ IMA mineral species
• Tilasite CaMg(AsO₄)F IMA mineral species
• Tilkerodeite IMA mineral species
• Tilleyite Ca₅Si₂O₇(CO₃)₂ IMA mineral species
• Tillmannsite (Ag₃Hg)(VO₄,AsO₄) IMA mineral species
• Timroseite Pb₂Cu₅(TeO₆)₂(OH)₂ IMA mineral species
• Tin (native) Sn IMA mineral species
• Tinaksite K₂Na(Ca,Mn²⁺)₂Ti[O|Si₇O₁₈(OH)] IMA mineral species
• Tincalconite Na₂B₄O₅(OH)₄·3H₂O IMA mineral species
• Tinnunculite C₅H₄N₄O₃·2H₂O IMA mineral species
• Tinsleyite KAl₂(PO₄)₂(OH)(H₂O)₂ IMA mineral species
• Tinticite Fe³⁺₅.₃₄(PO₄)₃.₆₂(VO₄)₀.₃₈(OH)₄·3H₂O IMA mineral species
• Tintinaite Pb₁₀Cu₂Sb₁₆S₃₅ IMA mineral species
• Tinzenite Ca₆Al₄[B₂Si₈O₃₀](OH)₂ IMA mineral species
• Tiptopite K₂(Li,Na,Ca)₆(Be₆P₆)O₂₄(OH)₂·1.3H₂O IMA mineral species
• Tiragalloite Mn²⁺₄As₅+Si₃O₁₂(OH) IMA mineral species
• Tischendorfite Pd₈Hg₃Se₉ IMA mineral species
• Tisinalite Na₃H₃(Mn,Ca,Fe)TiSi₆(O,OH)₁₈ * 2H₂O IMA mineral species
• Tissintite (Ca,Na,☐)AlSi₂O₆ IMA mineral species
• Tistarite Ti₂O₃ IMA mineral species
• Titanite CaTiSiO₅ IMA mineral species
• Titanium (native) Ti IMA mineral species
• Titanoholtite (Ti₀.₇₅☐₀.₂₅)Al₆BSi₃O₁₈ IMA mineral species
• Titanomaghemite Fe(Fe,Ti)₂O₄ IMA mineral species
• Titanomagnetite Mineral variety
• Titanowodginite Mn²⁺TiTa₂O₈ IMA mineral species
• Titantaramellite Ba₄(Ti,Fe³⁺,Fe²⁺,Mg)₄(B₂Si₈O₂₇)O₂Clx IMA mineral species
• Tivanite V³⁺TiO₃(OH) IMA mineral species
• Tlalocite Cu₁₀Zn₆(Te₆+O₄)₂(Te₄+O₃)(OH)₂₅Cl·27H₂O IMA mineral species
• Tlapallite (Ca,Pb)₃CaCu₆[Te₄+₃Te₆+O₁₂]₂(Te₄+O₃)₂(SO₄)₂·3H₂O IMA mineral species
• Tobelite (NH₄,K)Al₂(AlSi₃O₁₀)(OH)₂ IMA mineral species
• Tobermorite Ca₄Si₆O₁₇(H₂O)₂·(Ca·3H₂O IMA mineral species
• Tochilinite Fe²⁺₅-₆(Mg,Fe²⁺)₅S₆(OH)₁₀ IMA mineral species
• Tocornalite (Ag,Hg)I (?) IMA mineral species
• Todorokite (Na,Ca,K,Ba,Sr)₁-x(Mn,Mg,Al)₆O₁₂·3-4H₂O IMA mineral species
• Tokkoite K₂Ca₄[Si₇O₁₈(OH)](OH,F) IMA mineral species
• Tokyoite Ba₂Mn³⁺(VO₄)₂(OH) IMA mineral species
• Tolbachite CuCl₂ IMA mineral species
• Toledoite TiFeSi IMA mineral species
• Tolovkite IrSbS IMA mineral species
• Tolstykhite IMA mineral species
• Tomamaeite Cu₃Pt IMA mineral species
• Tombarthite-(Y) IMA mineral species
• Tombstoneite IMA mineral species
• Tomcampbellite [KCl][Fe²⁺₁₄(OH)₆(PO₄)₆(PO₃OH)₂] IMA mineral species
• Tomichite V³⁺₄Ti⁴⁺₃As³⁺O₁₃(OH) IMA mineral species
• Tomiolloite IMA mineral species
• Tomsquarryite IMA mineral species
• Tondiite Cu₃MgCl₂(OH)₆ IMA mineral species
• Tongbaite Cr₃C₂ IMA mineral species
• Tongxinite IMA mineral species
• Tooeleite Fe³⁺₆(As³⁺O₃)₄(SO₄)(OH)₄·4H₂O IMA mineral species
• Topaz Al₂SiO₄F₂ IMA mineral species
• Topazolite Mineral variety
• Topsøeite IMA mineral species
• Torbernite Cu(UO₂)₂(PO₄)₂·12H₂O IMA mineral species
• Törnebohmite-(Ce) Ce₂Al(SiO₄)₂(OH) IMA mineral species
• Törnebohmite-(La) La₂Al(SiO₄)₂(OH) IMA mineral species
• Törnroosite Pd₁₁As₂Te₂ IMA mineral species
• Torrecillasite Na(As,Sb)³⁺₄O₆Cl IMA mineral species
• Torreyite IMA mineral species
• Torryweiserite IMA mineral species
• Tosudite Na₀.₅(Al,Mg)₆((Si,Al)₈O₁₈)(OH)₁₂·5H₂O IMA mineral species
• Toturite Ca₃Sn₂(SiFe³⁺₂)O₁₂ IMA mineral species
• Tounkite (Na,Ca,K)₈(Al₆Si₆O₂₄)(SO₄)₂Cl·0.5H₂O IMA mineral species
• Touretite LiAl₄Be₄(B₁₁Be)O₂₈ IMA mineral species
• Tourmalinated Quartz Mineral variety
• Tourmalines Mineral group
• Townendite Na₈ZrSi₆O₁₈ IMA mineral species
• Toyohaite Ag₂FeSn₃S₈ IMA mineral species
• Trabzonite Ca₄(Si₃O₉)(OH)₂ IMA mineral species
• Tranquillityite (Fe²⁺,Ca)₈(Zr,Y)₂Ti₃(SiO₄)₃O₁₂ IMA mineral species
• Transjordanite Ni₂P IMA mineral species
• Trapiche crystal Gem material
• Traskite Ba₂₁Ca(Fe²⁺,Mn,Ti)₄(Ti,Fe,Mg)₁₂(Si₁₂O₃₆)(Si₂O₇)₆(O,OH)₃₀Cl₆·14H₂O IMA mineral species
• Trattnerite ☐(Fe³⁺,Mg,Fe²⁺)₂(Mg,Fe²⁺,Fe³⁺)₃(Si₁₂O₃₀) IMA mineral species
• Treasurite Ag₇Pb₆Bi₁₅S₃₀ IMA mineral species
• Trébeurdenite Fe²⁺₂Fe³⁺₄O₂(OH)₁₀(CO₃)·3H₂O IMA mineral species
• Trebiskyite Na₃Mg₂[TiV₉O₂₈]·22H₂O IMA mineral species
• Trechmannite AgAsS₂ IMA mineral species
• Tredouxite NiSb₂O₆ IMA mineral species
• Tree Agate Mineral variety
• Trembathite (Mg,Fe)₃(B₇O₁₃)Cl IMA mineral species
• Tremolite ☐Ca₂Mg₅Si₈O₂₂(OH)₂ IMA mineral species
• Trevorite NiFe³⁺₂O₄ IMA mineral species
• Triangulite Al₃(UO₂)₄(PO₄)₄(OH)₅·5H₂O IMA mineral species
• Triazolite NaCu₂(N₃C₂H₂)₂(NH₃)₂Cl₃·4H₂O IMA mineral species
• Tridymite SiO₂ IMA mineral species
• Trigodomeykite Cu₃As IMA mineral species
• Trigonite Pb₃Mn²⁺(As³⁺O₃)₂(As³⁺O₂OH) IMA mineral species
• Trikalsilite K₂NaAl₃(SiO₄)₃ IMA mineral species
• Trilithionite K(Li₁.₅Al₁.₅)(AlSi₃O₁₀)(F,OH)₂ IMA mineral species
• Trilobite Fossil
• Trimerite CaBe₃Mn²⁺₂(SiO₄)₃ IMA mineral species
• Trimounsite-(Y) Y₂Ti₂(SiO₄)O₅ IMA mineral species
• Trinepheline NaAlSiO₄ IMA mineral species
• Triphane Mineral variety
• Triphylite LiFe²⁺PO₄ IMA mineral species
• Triplite Mn²⁺₂PO₄F IMA mineral species
• Triploidite (Mn²⁺,Fe²⁺)₂(PO₄)(OH) IMA mineral species
• Trippkeite Cu²⁺As³⁺₂O₄ IMA mineral species
• Tripuhyite Fe³⁺Sb⁵⁺O₄ IMA mineral species
• Tristramite (Ca,U,Fe)(PO₄,SO₄)·2H₂O IMA mineral species
• Tritomite-(Ce) Ce₅(SiO₄,BO₄)₃(OH,O) IMA mineral species
• Tritomite-(Y) Y₅(SiO₄,BO₄)₃(O,OH,F) IMA mineral species
• Trögerite (H₃O)(UO₂)(AsO₄)·3H₂O IMA mineral species
• Trogtalite CoSe₂ IMA mineral species
• Troilite FeS IMA mineral species
• Trolleite Al₄(PO₄)₃(OH)₃ IMA mineral species
• Trona Na₃(HCO₃)(CO₃)·2H₂O IMA mineral species
• Truscottite (Ca,Mn)₁₄Si₂₄O₅₈(OH)₈·2H₂O IMA mineral species
• Trüstedtite Ni₃Se₄ IMA mineral species
• Tsangpoite Ca₅(PO₄)₂(SiO₄) IMA mineral species
• Tsaregorodtsevite (N(CH₃)₄)(AlSi₅O₁₂) IMA mineral species
• Tsavorite Mineral variety
• Tschaunerite (Fe²⁺)(Fe²⁺Ti₄+)O₄ IMA mineral species
• Tschermakite ☐Ca₂(Mg₃Al₂)Si₆Al₂O₂₂(OH)₂ IMA mineral species
• Tschermigite NH₄Al(SO₄)₂·12H₂O IMA mineral species
• Tschernichite CaAl₂Si₆O₁₆·8H₂O IMA mineral species
• Tschörtnerite Ca₄(K,Ca,Sr,Ba)₃Cu₃Al₁₂Si₁₂O₄₈(OH)₈·20H₂O IMA mineral species
• Tsepinite-Ca (Ca,K,Na)₂₋ₓ(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·4H₂O IMA mineral species
• Tsepinite-K (K,Ba,Na)₂(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·3H₂O IMA mineral species
• Tsepinite-Na (Na,H₃O,K,Sr,Ba,☐)₂(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·3H₂O IMA mineral species
• Tsepinite-Sr (Sr,Ba,K)(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·3H₂O IMA mineral species
• Tsikourasite Mo₃Ni₂P₁₊ₓ IMA mineral species
• Tsilaisite NaMn²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH) IMA mineral species
• Tsnigriite Ag₉SbTe₃S₃ IMA mineral species
• Tsugaruite Pb₄As₂S₇ IMA mineral species
• Tsumcorite PbZn₂(AsO₄)₂·2H₂O IMA mineral species
• Tsumebite Pb₂Cu(PO₄)(SO₄)(OH) IMA mineral species
• Tsumgallite GaO(OH) IMA mineral species
• Tsumoite BiTe IMA mineral species
• Tsygankoite Mn₈Tl₈Hg₂(Sb₂₁Pb₂Tl)S₄₈ IMA mineral species
• Tubulite Ag₂Pb₂₂Sb₂₀S₅₃ IMA mineral species
• Tučekite IMA mineral species
• Tugarinovite MoO₂ IMA mineral species
• Tugtupite Na₄BeAlSi₄O₁₂Cl IMA mineral species
• Tuhualite NaFe²⁺Fe³⁺Si₆O₁₅ IMA mineral species
• Tuite Ca₃(PO₄)₂ IMA mineral species
• Tulameenite CuFePt₂ IMA mineral species
• Tuliokite Na₆BaTh(CO₃)₆·6H₂O IMA mineral species
• Tululite Ca₁₄(Fe³⁺,Al)(Al,Zn,Fe³⁺,Si,P,Mn,Mg)₁₅O₃₆ IMA mineral species
• Tumchaite Na₂Zr(Si₄O₁₁)·2H₂O IMA mineral species
• Tundrite-(Ce) Na₂Ce₂TiO₂(SiO₄)(CO₃)₂ IMA mineral species
• Tundrite-(Nd) Na₂Nd₂TiO₂(SiO₄)(CO₃)₂ IMA mineral species
• Tunellite SrB₆O₉(OH)₂·3H₂O IMA mineral species
• Tungsten (native) W IMA mineral species
• Tungstenite WS₂ IMA mineral species
• Tungstibite Sb₂WO₆ IMA mineral species
• Tungstite WO₃·H₂O IMA mineral species
• Tungusite Ca₄Fe₂Si₆O₁₅(OH)₆ IMA mineral species
• Tunisite NaCa₂Al₄(CO₃)₄(OH)₈Cl IMA mineral species
• Tuperssuatsiaite Na₂Fe₃Si₈O₂₀(OH)₂·4H₂O IMA mineral species
• Turanite Cu₅(VO₄)₂(OH)₄ IMA mineral species
• Turkestanite (K,☐)(Ca,Na)₂ThSi₈O₂₀·nH₂O IMA mineral species
• Turneaureite Ca₅(AsO₄)₃Cl IMA mineral species
• Turquoise CuAl₆(PO₄)₄(OH)₈·4H₂O IMA mineral species
• Turtmannite (Mn,Mg)₂₂.₅Mg₃-₃x((V₅+,As₅+)O₄)₃(As³⁺O₃)x(SiO₄)₃O₅-₅x(OH)₂₀+x IMA mineral species
• Tuscanite (K(Ca,Na)₆(Si,Al)₁₀O₂₂[SO₄,CO₃,(OH)₂])·H₂O IMA mineral species
• Tusionite Mn²⁺Sn₄+[BO₃]₂ IMA mineral species
• Tuzlaite NaCaB₅O₈(OH)₂·3H₂O IMA mineral species
• Tvalchrelidzeite Hg₃SbAsS₃ IMA mineral species
• Tvedalite (Ca,Mn)₄Be₃Si₆O₁₇(OH)₄·3H₂O IMA mineral species
• Tveitite-(Y) (Y,Na)₆Ca₆Ca₆F₄₂ IMA mineral species
• Tvrdýite Fe²⁺Fe³⁺₂Al₃(PO₄)₄(OH)₅(H₂O)₄·2H₂O IMA mineral species
• Tweddillite CaSr(Mn³⁺₂Al)[Si₂O₇][SiO₄]O(OH) IMA mineral species
• Twinned Aragonite Mineral variety
• Twinnite Pb₀.₈Tl₀.₁Sb₁.₃As₀.₈S₄ IMA mineral species
• Tychite Na₆Mg₂(CO₃)₄(SO₄) IMA mineral species
• Tyretskite Ca₂B₅O₉OH·H₂O IMA mineral species
• Tyrolite Ca₂Cu₉(AsO₄)₄(CO₃)(OH)₈·11H₂O IMA mineral species
• Tyrrellite Cu(Co,Ni)₂Se₄ IMA mineral species
• Tyuyamunite Ca(UO₂)₂(VO₄)₂·5-8H₂O IMA mineral species
• Tzeferisite CaZn₈(SO₄)₂(OH)₁₂Cl₂(H₂O)₉ IMA mineral species