MINERALS IN T

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Tacharanite

Class : Silicates
Subclass : Inosilicates
Crystal system : Monoclinic
Chemistry : Ca12Al2Si18O51 18H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

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Tadzhikite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Monoclinic
Chemistry : Ca3(Y,Ce)2(Ti,Al,Fe)B4Si4O22(O,OH)2
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Taenite

Class : Elements
Subclass : Metals
Crystal system : Cubic
Chemistry : Ni,Fe
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Takovite

Class : Carbonates, nitrates, borates
Subclass : Hydrated carbonates
Crystal system : Trigonal
Chemistry : Ni6Al2(CO3)(OH)16 4H2O
Rarity : Rare to very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Talc

Class : Silciates
Subclass : Phyllosilicates
Crystal system : Monoclinic
Chemistry : Mg3Si4O10(OH)2
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Talmessite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated arsenates
Crystal system : Triclinic
Chemistry : Ca2Mg(AsO4)2 2H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tamarugite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : NaAl(SO4)2 6H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tantalite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Orthorhombic
Chemistry : (Fe2+,Mn2+,Mg2+)(Ta,Nb)2O6
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tanzanite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Orthorhombic
Chemistry : Ca2Al3(SiO4)3(OH)
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tapiolite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Tetragonal
Chemistry : (Fe,Mn)(Ta,Nb)2O6
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tarbuttite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Triclinic
Chemistry : Zn2PO4(OH)
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Teallite

Class : Sulfides and sulfosalts
Subclass : Sulfides
Crystal system : Orthorhombic
Chemistry : PbSnS2
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tellurium

Class : Elements
Subclass : Non-metals
Crystal system : Trigonal
Chemistry : Te
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tellurite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Orthorhombique
Chemistry : TeO2
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tennantite

Class : Sulfides and sulfosalts
Subclass : Sulfides
Crystal system : Cubic
Chemistry : Cu12As4S13
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tenorite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Monoclinic
Chemistry : CuO
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tephroite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Orthorhombic
Chemistry : Mn2SiO4
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Terlinguaite

Class : Halides
Subclass : Oxychlorides
Crystal system : Monoclinic
Chemistry : Hg2ClO
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tetradymite

Class : Sulfides and sulfosalts
Subclass : Tellurides
Crystal system : Trigonal
Chemistry : Bi2Te2S
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tetrahedrite

Class : Sulfides and sulphosalts
Subclass : Sulfides
Crystal system : Cubic
Chemistry : Cu12Sb4S13
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Thaumasite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Hexagonal
Chemistry : Ca3Si(SO4)(CO3)(OH)6 12H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Thenardite

Class : Sulfates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Orthorhombic
Chemistry : Na2SO4
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Thomsenolite

Class : Halides
Subclass : Fluorides
Crystal system : Monoclinic
Chemistry : NaCaAlF6 H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Thomsonite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Orthorhombic
Chemistry : NaCa2Al5Si5O20 6H2O
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Thorianite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Cubic
Chemistry : ThO2
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Thorite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Tetragonal
Chemistry : ThSiO4
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Thorogummite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Tetragonal
Chemistry : (Th,U)(SiO4)(OH)4
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Thortveitite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Monoclinic
Chemistry : (Sc,Y)2Si2O7
Rarity : Rare to vey rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Thorutite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Monoclinic
Chemistry : (Th,U,Ca)Ti2(O,OH)6
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Thulite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Orthorhombic
Chemistry : Ca2Al3(SiO4)3(OH)
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tilasite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous arsenates
Crystal system : Monoclinic
Chemistry : CaMg(AsO4)F
Rarity : Rare to uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tincalconite

Class : Carbonates, nitrates, borates
Subclass : Borates
Crystal system : Trigonal
Chemistry : Na2B4O5(OH)4 3H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tinsleyite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Monoclinic
Chemistry : KAl2(PO4)2(OH) 2H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tinzenite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Triclinic
Chemistry : (Ca,Mn,Fe)3Al2BSi4O15(OH)
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Titanite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Monoclinique
Chemistry : CaTiSiO5
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Todorokite

Class : Oxides and hydroxides
Subclass : Hydroxides and hydrates
Crystal system : Monoclinic
Chemistry : (Mn,Ca,Mg)Mn3O7 H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Topaz

Class : Silicates
Subclass : Nesosilicates
Crystal system : Orthorhombic
Chemistry : Al2SiO4(F,OH)2
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Torbernite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Tetragonal
Chemistry : Cu(UO2)2(PO4)2 10H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tourmaline

Class : Silicates
Subclass : Cyclosilicates
Crystal system : Trigonal
Chemistry : WX3Y6(BO3)Si6O18(O,OH,F)4
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Trechmannite

Class : Sulfides and sulfosalts
Subclass : Sulfosalts
Crystal system : Trigonal
Chemistry : AgAsS2
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tremolite

Class : Silicates
Subclass : Inosilicates
Crystal system : Monoclinic
Chemistry : Ca2Mg5Si8O22(OH)2
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tridymite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Orthorhombic
Chemistry : SiO2
Rarity : Uncommon to fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Trimounsite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Monoclinic
Chemistry : Y2Ti2SiO9
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Triphylite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Orthorhombic
Chemistry : LiFePO4
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Triplite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Monoclinic
Chemistry : (Mn,Fe,Mg,Ca)2(PO4)(F,OH)
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Trögerite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl arsenates
Crystal system : Tetragonal
Chemistry : (UO2)3(AsO4)2 12H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Troilite

Class : Sulfides and sulfosalts
Subclass : Sulfides
Crystal system : Trigonal
Chemistry : FeS
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Trona

Class : Carbonates, nitrates, borates
Subclass : Hydrated carbonates
Crystal system : Monoclinic
Chemistry : Na3CO3(HCO3) 2H2O
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tschermakite

Class : Silicates
Subclass : Inosilicates
Crystal system : Monoclinic
Chemistry : Ca2Mg3Al2(Si6Al2)O22(OH)2
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tschermigite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Cubic
Chemistry : (NH4)Al(SO4)2 12H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tsumebite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Monoclinic
Chemistry : Pb2Cu(PO4)(SO4)(OH)
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tugtupite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Tetragonal
Chemistry : Na4AlBeSi4O12Cl
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tungstenite

Class : Sulfides and sulfosalts
Subclass : Sulfides
Crystal system : Hexagonal
Chemistry : WS2
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tungstite

Class : Oxides and hydroxides
Subclass : Hydroxides and hydrates
Crystal system : Orthorhombic
Chemistry : WO3 H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tunisite

Class : Carbonates, nitrates, borates
Subclass : Anhydrous carbonates
Crystal system : Tetragonal
Chemistry : NaCa2Al4(CO3)4(OH)8Cl
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Turquoise

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Triclinic
Chemistry : CuAl6(PO4)4(OH)84H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tyrolite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated arsenates
Crystal system : Orthorhombic
Chemistry : CaCu5(AsO4)2(CO3)(OH)4 6H2O
Rarity : Uncommon to rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tyuyamunite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl vanadates
Crystal system : Orthorhombic
Chemistry : Ca(UO2)2(VO4)2 5-8H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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