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T Index of Mineral Species
This alphabetical listing of T minerals include synonyms of accepted mineral names, pronunciation of that name, name origins, and locality information. Visit our expanded selection of mineral pictures.
   Ca12Al2Si18O33(OH)36 NAME ORIGIN: Named from the Gaelic "tacharan," a changeling, because on standing in air the mineral breaks down to form other compounds (not noticed by later investigators). CaMg2Cl6•12(H2O) NAME ORIGIN: From the Greek for "quick water", in allusion to its ready deliquescence.  Ca4(Ce,Y)2(Ti,Al,Fe+++,[ ])2[Si4B4O22](OH)2 NAME ORIGIN: Named for the locality and its cerium content. LOCALITY: In the Dara-i-Pioz massif, Alai Range, Tien Shan, Tajikistan (Tadzhikistan).  Ca4(Y,Ce)2(Ti,Al,Fe+++,[ ])2[Si4B4O22](OH)2 NAME ORIGIN: Named for the locality and its yttrium content. LOCALITY: In the Dara-i-Pioz massif, Alai Range, Tien Shan, Tajikistan (Tadzhikistan). gamma-(Fe,Ni) NAME ORIGIN: Named from the Greek for "band" in allusion to the flattened form. (Ba,Sr)2Mn+++2Si4O12 NAME ORIGIN: Named for the locality. LOCALITY: Irnimi manganese deposit, Taikan Mountains, Khabarovsk Territory, Russia. (Pd,Cu,Pt)3Sn NAME ORIGIN: Named for the locality. LOCALITY: Talnakh, Tiamyr Peninsula, Norilsk, Russia.  KLiMg2Si4O10F2 NAME ORIGIN: Named from the Greek for "band" or "strip", inallusion to hte tabular habit of the crystals. (Mn++,Ca)Mn++++4O8•(H2O) NAME ORIGIN: Named for Katsutoshi Takane (1899-1945), professor of mineralogy, Tohoku University, Sendai, Japan. Ca3(BO3)2 NAME ORIGIN: For Prof. Hiroshi Takeda (1934- ) , of the Mineralogial Institute, University of Tokyo. Mg2Mn+++O2(BO3) NAME ORIGIN: Named for Yoshio Takeuchi (1924-), Japanese mineralogist Ni6Al2(OH)16(CO3,OH)•4(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Takovo, Serbia. Mg3Si4O10(OH)2 NAME ORIGIN: From the Arabic. Ca2Mg(AsO4)2•2(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Talmessi mine, 35 km west of Anarak, Iran. In the Arhbar (Aghbar) and A¨it Ahmane mines, Bou Azzer district, Morocco. Cu9(Fe,Ni)8S16 NAME ORIGIN: Named for the locality. LOCALITY: Talnakh area, Taimyr Peninsula, Noril'sk region, Yakutiya, western Siberia, Russia (Ca,K,Ba,Na)3-4Mn24(Si,Al)40(O,OH)112•21(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Shiromaru mine, Okutama, Tama district, about 60 km from Tokyo, Japan.  NaAl(SO4)2•6(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Tamarugal Pampa, Cerro Pintado, Tarapaca, Chile HNa2LiAl(PO4)2(OH) NAME ORIGIN: Named for the locality. LOCALITY: Tanco spodumene-bearing pegmatite mine at Bernic Lake, MB, Canada. (Na,Ca)(Mn++,Mg)12[(Si,Al)6O17]2(O,OH)10 NAME ORIGIN: Named for the locality. LOCALITY: Taneyama mine, Kumamoto Prefecture and Iwaizama mine, Saitama Prefecture, Honshu, Japan. CaCu(VO4)(OH) NAME ORIGIN: Named for the locality. LOCALITY: Tange Gorge, Fergana Valley, Kyrgystan. LiMn2Si3O8(OH) NAME ORIGIN: Named for the type locality. LOCALITY: Matsumaezawa pit, Tanohata mine, Tanohata Village, Iwate Prefecture, Japan. (Y,Ce,Ca)(Ta,Ti,Nb)2O6 NAME ORIGIN: Named for its composition and from the Greek for "shame," in allusion to the inability of chemists, at the time of its discovery, to separate some of its constituents. TaC NAME ORIGIN: The name reflects its composition: tantalum and carbon. Fe++Ta2O6 NAME ORIGIN: Named for the FERROus iron and from the Greek, Tantalos = father of Niobe. (Mg,Fe)(Ta,Nb)2O6 NAME ORIGIN: Named as the magnesium-dominant member of the tantalite series. MnTa2O6 NAME ORIGIN: Named after its chemical composition containing manganese and tantalum. (Mn2,[ ])4Ta4Ta8O32 NAME ORIGIN: Named for the composition. Ta NAME ORIGIN: Greek, Tantalos = father of Niobe. (Y,Ce,Ca)(Ta,Nb,Ti)2(O,OH)6 NAME ORIGIN: Named for the composition (Tantalum) and the Greek for "friendly to strangers, hospitable," in allusion to the rare elements that it contains. Ta2O5 NAME ORIGIN: Named for its composition (Tantalum). (Fe,Mn)(Ta,Nb)2O6 NAME ORIGIN: Named in 1863 after the god Tapio of Finnish mythology. Now a group name. (Fe++,Mn++)(Ta,Nb)2O6 NAME ORIGIN: Named after the god Tapio of Finnish mythology and the Latin ferrium - "iron." (Mn++,Fe++)(Ta,Nb)2O6 NAME ORIGIN: Named for the MANGANese content and relationship to ferroTAPIOLITE. Ba4(Fe+++,Ti,Fe++,Mg)4(B2Si8O27)O2Clx (x=0 to 1) NAME ORIGIN: Named for Torquato Taramelli (1845-1922), Italian geologist. Na(CaNa)Fe++3AlFe+++[Si6Al2O22](OH)2 NAME ORIGIN: Named after the locality. LOCALITY: Wali-tarama, Mariupol, Ukraine. K3Al5(HPO4)6(PO4)2•18(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Sugarloaves, near New Plymouth, Taranaki Peninsula, New Zealand. K2CrO4 NAME ORIGIN: Named for its first noted occurrence in the Tocopilla Pampa, 170 km north of Antofagasta, Tarapaca, Chile. Zn2(PO4)(OH) NAME ORIGIN: Named for Percy Coventry Tarbutt, director of the Broken Hill Explaration Co., Zambia. (Cu,Fe)(Re,Mo)4S8 NAME ORIGIN: Named for Professor Mahmud Tarkian (1941-), of the University of Hamburg, Germany, for his contributions to ore mineralogy. Na12Sr3Ca6Fe3Zr3NbSi25O73(O,OH,H2O)3Cl2 NAME ORIGIN: Named for the northern part of the complex, at theTaseq slope. (Na,[ ])Ca2(Mg,Fe++,Fe+++)2(Fe+++,Mg)2(Fe++,Mg)2(PO4)6(H2O)2 NAME ORIGIN: Named for Tassie Tarn, a nearby lake at the locality. LOCALITY: Johnston Fjord, Stornes Peninsula, Larsemann Hills, Prydz Bay, East Antarctica Ca6Mg2(SO4)2(CO3)2Cl4(OH)4•7(H2O) NAME ORIGIN: Named for Vitalii Borisovich Tatarskii (1907-), Russian mineralogist, Leningrad University. (Pt,Pd,Cu)9Cu3Sn4 NAME ORIGIN: Named for the Russian mineralogist Tatyana L. Evstigneeva (or Yestigneeva) (1945-). SrTiO3 NAME ORIGIN: Named for L. V. Tauson (1917-1989), Russian geochemist. LiFe+++(PO4)(OH) NAME ORIGIN: Named for Elysairio Tavora (1911-), mineralogist, University of Brazil, Rio de Janerio, Brazil. CaTiZr2O8 NAME ORIGIN: Named for the locality. LOCALITY: Tazheran alkalic massif., W of Lake Baikal, Siberia, Russia. Pb20Cd2(As,Bi)22S50Cl10 NAME ORIGIN: Named for Haroun Tazieff (1914-1998), volcanologist who was a pioneer in field observation of active volcanoes. PbSnS2 NAME ORIGIN: Named for Jethro Justinian Harris Teall (1849-1924), Director of the Geological Survey of Great Britain and Ireland. Hg++Hg+10O4I2(Cl1.16Br0.84)2 NAME ORIGIN: Named for Ted A. Hadley (1961-) of Sunnyvale, California, who participated in the collection of the holotype specimen. Na2B(OH)4Cl NAME ORIGIN: Named for John Edgar Teeple (1874-1931), for his work on the chemistry of Searles Lake brines, Trona, California, USA. (Mg,Mn++)2Sb+++++0.5(Mn+++,Si,Ti)0.5O4 NAME ORIGIN: Named for Felix Tegengren (1884-1980), a renowned Finlandic-Swedish economic geologist who wrote about the ore deposits of Sweden and China. CuTeO3•2(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Teine mine, Sapporo, Hokkaido, and in the Kawazu mine, three km north of Shimoda, Shizuoka Prefecture, Japan. (Pd,Ag)3Te NAME ORIGIN: Named for the composition (Tel, Ag, Pd). Sb2Te3 NAME ORIGIN: Named for the composition. TeO2 NAME ORIGIN: Named after its containing tellurium (Latin, tellus = "earth"). Te NAME ORIGIN: Named after the element, Latin, tellus = "earth." Bi2Te3 NAME ORIGIN: Named after its composition of tellurium and bismuth. Ni9BiTeS8 NAME ORIGIN: Named for its chemical relationship to hauchecornite. Bi3TeSe2 NAME ORIGIN: Named as the Te analog of nevskite. Pd9Te4 NAME ORIGIN: Named for the composition. CsNa6[Be2(Si,Al)18O39F2] NAME ORIGIN: Named for Tamara Matveyevna Telyushenko (1930–1997), a petrographer who made major contributions to knowledge of the geology of Central Asia and who headed the Young Geologists’ School of Pd3HgTe3 NAME ORIGIN: Named for the locality. LOCALITY: Temagami Cu deposit, Temagami, Island, Ontario, Canada.  CaU++++++6Mo++++++2O25•12(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Tongbiguan village, Tengchong Co., Yunnan Province, China. Y2(CO3)3•2-3(H2O) NAME ORIGIN: Named for C. Tenger, Swedish geologist. (Cu,Fe)12As4S13 NAME ORIGIN: Named after the English chemist, Smithson Tennant (1761-1815). CuO NAME ORIGIN: Named after the Italian botanist, M. Tenor (1781-1861). Mn2SiO4 NAME ORIGIN: From the Greek tephros - "ash gray" for its color. Hg++3O2Cl2 NAME ORIGIN: Named for the locality. LOCALITY: Perry Pit, Mariposa mine, Terlingua mining district, Brewster County, Texas, USA Hg+Hg++ClO NAME ORIGIN: Named after its locality. LOCALITY: Terlingua, Brewster Co., Texas, USA. Ca5(SiO4)2SO4 NAME ORIGIN: For Mr. B. Ternes of Mayen, Germany, who found the mineral and provided specimens for the study. (Mg,Ca)Nb4O11-n(H2O) where n ~ 10 NAME ORIGIN: Named after Vladimir Ivanovich Ternovoi (1928–1980), economic geologist, a pioneer in studies of the Kovdor phlogopite depost. (Na,Ca)8(Si68Al12)O160•29(H2O) NAME ORIGIN: For the Italian Antarctic Station at Terranova Bay, Antarctica. Na4ZrSi6O15(OH)2•2(H2O) NAME ORIGIN: Named for the Tersk shore of the White Sea, southeastern Kola Peninsula, Russia. Ca4B10O19•20(H2O) NAME ORIGIN: Named for Herman Tertsch (1880-1962), Austrian mineralogist. Ca4MgAs2B12O22(OH)12•12(H2O) NAME ORIGIN: Named for Mario E. Teruggi, Professor of Sedimentology and Petrology, National University, Plata, Argentina. (NH4)HCO3 NAME ORIGIN: Named for Frederick Edward Teschemacher (1791-1863), English chemist, who first described the species. PdTe(Sb,Te) NAME ORIGIN: Named for the composition, TEllurium, STIBnium (Latin for Antimony), BIsmuth, and PALLADIum. AuCu NAME ORIGIN: Named after its crystal symmetry and Au, Cu content. Bi2Te2S NAME ORIGIN: From the Greek, tetradymos, "fourfold." K(Fe++,Mg)3(Fe+++,Al)Si3O10(OH)2 NAME ORIGIN: Named in 1963 for the composition and relationship to annite. Renamed to Tetra-ferri-annite. KMg3Fe+++Si3O10(OH)2 NAME ORIGIN: Named as the Fe3+ analog of phlogopite. PtFe NAME ORIGIN: Named for the composition (Fe, Pt) and crystal system. (Cu,Fe)12Sb4S13 NAME ORIGIN: Name is derived from its crystal form. Na2[Al2Si3O10]•2(H2O) NAME ORIGIN: The name given in 1980 recognizes its association with and similarity in chemical composition to natrolite. BiAsO4 NAME ORIGIN: Named as the tetragonal analog of rooseveltite. FeNi NAME ORIGIN: Named for taenite and the tetragonal crystal form of this polymorph. Mn++Sn++++(OH)6 NAME ORIGIN: Named as the tetragonal analog of wickmanite. (Ca,Mn++)(Mg,Fe++,Mn+++)3(PO4)2(OH,F)2 NAME ORIGIN: Namd for Decio Thadeu, Technical University, Lisbon, Portugal, for his studies on Portuguese ore deposits. TlCu3FeS4 NAME ORIGIN: Named for the composition, THALlium, CUprum (Copper), and Sulfur. Y3Si3O10(OH) NAME ORIGIN: Named for Tobins Robert Thalen (1827-1905), Swedish physicist. Tl6(Fe,Ni,Cu)25S26Cl NAME ORIGIN: Named for the composition (Tl, Fe, Ni, S). Ca3Si(CO3)(SO4)(OH)6•12(H2O) NAME ORIGIN: From the Greek thaumasion - "surprising" in allusion to the chemical composition. Cu5Zn5[(As+++++,Sb+++++)O4]2(OH)14 NAME ORIGIN: Named for Nicholas J. Theis, Geologist, Bendix Corp., who discovered the orignal sample. Na2SO4 NAME ORIGIN: Named after the French chemist, Louis Jacques Thenard (1777-1826). Cu3(OH)2(As2O7) NAME ORIGIN: Named for the Swiss scientist Paracelse (1493-1541), who was Philippus Theophrastus van Hohenheim. Paracelse is a Greek-Roman translation of Hohenheim. Ni(OH)2 NAME ORIGIN: Named for Theophrastus, (ca. 371 BC-ca. 287 BC), the first Greek mineralogist. (Co,Zn,Ni)6(SO4)(OH,Cl)10•8(H2O) NAME ORIGIN: Named for Therese Magnan for her contributions to knowledge about the Cap Garrone mine. K2[AlF3SO4] NAME ORIGIN: Named for "Thermessa" an ancient Greek name for the island of Vulcano. Na2CO3•(H2O) NAME ORIGIN: Named from the Greek for heat and natron, as the dehydration product from heating natron. (Na,Ce)(Y,REE)(HCO3)(OH)3•4(H2O) NAME ORIGIN: Named after Thomas Henry Clark (1893-1996), McGill University, Montreal, Quebec, Canada, noted for his studies of the geology of the St. Lawrence Lowlands. Pb(Cu,Zn)2(AsO4)2•2(H2O) NAME ORIGIN: Named for Wilhelm Thometzek, former General Manager of the Tsumeb mining company. NaCaAlF6•(H2O) NAME ORIGIN: Named for Hans Peter Jorgen Julius Thomsen (1826-1909), Daniosh physical chemist and founder of the Greenland cryolite industry. NaCa2Al5Si5O20•6(H2O) NAME ORIGIN: Named after the Scottish chemist, T. Thomson (1773-1852). (Sr,Ca)2Na[Al5Si5O20]•7(H2O) NAME ORIGIN: Named as the Sr dominant analog of thomsonite-Ca.  Th(Ca,Ce)(CO3)2F2•3(H2O) NAME ORIGIN: Named for a thorium-bearing mineral chemically similar to bastnasite. Sn++Ta2O6 NAME ORIGIN: Named for Jacques Thoreau (188-1971), University of Louvain, Belogium. ThO2 NAME ORIGIN: Named for its chemical composition containing thorium. Pb3(Sb+++,As+++)O3(OH)Cl2 NAME ORIGIN: Named for the locality. LOCALITY: Thorikos, near the Laurium mines. ThSiO4 NAME ORIGIN: From the presence of the element Thorium, a highly radioactive material. Na12Th3[Si8O19]4•18(H2O) NAME ORIGIN: Named for its composition (Thorium, Na, Si). Th(SiO4)1-x(OH)4x NAME ORIGIN: Named after gummite and the element thorium. (Ca,Th,Mn)3Si4O11F•6(H2O) NAME ORIGIN: Named for steenstrupine and the thorium content. (Sc,Y)2Si2O7 NAME ORIGIN: Named after the Norwegian engineer, O. Thortveit. (Th,U,Ca)Ti2(O,OH)6 NAME ORIGIN: Named for the composition (Thorium, rutile). Al(UO2)2(PO4)2(OH)•8(H2O) NAME ORIGIN: Named for Ian M. Threadgold (1929-), University of Sydney, NSW, Australia. HgSe NAME ORIGIN: Named after its discoverer, C. W. F. Tiemann (1848-1899). BaNa2MnTiB2Si6O20 NAME ORIGIN: Named for the locality. LOCALITY: Dara-i-pioz massif, Tien Shan, southern Tajikistan. (Na,K)17Fe+++TiSi16O29(OH)30•2(H2O) NAME ORIGIN: Named from the Finnish "tietta", science or knowledge, for the first science station in Khibiny. SrAl(OH)F4•(H2O) NAME ORIGIN: Named for Igor Tikhonenkov (1927-1961), Russian student of alkaline rocks and minerals. CaMg(AsO4)F NAME ORIGIN: Named for Daniel Tilas (1712-1772), Swedish mining engineer. Ca5Si2O7(CO3)2 NAME ORIGIN: Named for Cecil Edgar Tilley (1894-1973), British petrologist, Cambridge University, Cambridge, England. (Ag3Hg)(V,As)O4 NAME ORIGIN: Named for Ekkhart Tillmanns (1941-) of the Institute of Mineralogy and Crystallography, Wien, Austria. Sn NAME ORIGIN: A word of Old English origin, related to the Dutch tin and the German zinn. K2Na(Ca,Mn++)2(Ti,Fe)O[Si7O18(OH)] NAME ORIGIN: Named fro the symbols of some of its component elements (Ti, Na, K). Na6[B4O5(OH)4]3•8(H2O) NAME ORIGIN: Named for tincal (borax) and konos "powder" in allusion to the minerals composition and appearance. C10H12N6O8 (?) NAME ORIGIN: Named from the Latin "Falco Tinnunculus" a falcon species. KAl2(PO4)2(OH)•2(H2O) NAME ORIGIN: Named for Frank C. Tinsley (1916-), mineral collector, Black Hills specialist of Rapid City, South Dakota, USA. Fe+++5(PO4,VO4)4•7(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Tintic Standard mine, Tintic district, Utah Pb22Cu+4(Sb,Bi)30S69 NAME ORIGIN: Named after the locality. LOCALITY: Tintina silver mines, Yukon Territory, Canada. (Ca,Mn,Fe)3Al2BO3Si4O12(OH) NAME ORIGIN: Named after its locality. LOCALITY: Tinzen, Val d'Err, Grisons, Switzerland K2(Na,Ca)2Li3Be6(PO4)6(OH)2•(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Tip Top mine, Custer, Custer County, South Dakota, USA Mn++4As+++++Si3O12(OH) NAME ORIGIN: Named for Paolo Tiragallo (1905-). Pd8Hg3Se9 NAME ORIGIN: Name for Gerhard Tischendorf (1927-) who first recognized the mineral in the deposit in 1958. Na3H3(Mn++,Ca,Fe)TiSi6(O,OH)18•2(H2O) NAME ORIGIN: For the chemical elements Ti, Si, and Na in the formula. Ti2O3 NAME ORIGIN: Named after the composition "Ti" and the word "star," implying that this new refractory mineral is among the first solids formed in the solar system. CaTiSiO5 NAME ORIGIN: Named after its chemical composition of titanium. Ti NAME ORIGIN: Named after the element which is named after the Titans, sons of the Earth goddess. (Mn++,Fe++)(Ti,Sn)(Ta,Nb)2O8 NAME ORIGIN: Named for TITANium and its relationship to wodginite. Ba4(Ti,Fe+++,Fe++,Mg)4(B2Si8O27)O2Clx X=0 TO 1, with Ti > Fe NAME ORIGIN: Named for taramellite and dominance of Ti as the octahedral cation. V+++TiO3(OH) NAME ORIGIN: Named for the TItanium and VANadium in the composition. Cu10Zn6(Te++++O3)(Te++++++O4)2Cl(OH)25•27(H2O) NAME ORIGIN: Named for Tlaloc, the god of rain in the Toltec and Aztec civilizations, in allusion to its high water content. H6(Ca,Pb)2Cu3(SO4)(Te++++O3)4(Te++++++O6) NAME ORIGIN: Named from the Nahua "tlapalli," paint, in allusion to its paintlike coating of rock surfaces. (NH4,K)Al2(Si3Al)O10(OH)2 NAME ORIGIN: Named for the locality. LOCALITY: Ohgidani pottery stone deposit, Tobe, Ehime Prefecture, adn in the Horo pryophyllite deposit, Toyosaka, hiroshima Prefecture, Japan. Ca5Si6O16(OH)2•4(H2O) NAME ORIGIN: Named for the locality. LOCALITY: In Scotland, on the Isle of Mull, around Tobermory. 6Fe0.9S•5(Mg,Fe++)(OH)2 NAME ORIGIN: Named for Mitrofan S.Tochilin (1910-1968), Russian scientist. (Ag,Hg)I (?) NAME ORIGIN: Named in 1867 for S. F. Tocornal, rector of the University of Santiago, Chile. (Na,Ca,K)2(Mn++++,Mn+++)6O12•3-4.5(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Todroki mine, Hikkaido, Japan. K2Ca4[Si7O18(OH)](F,OH) NAME ORIGIN: Named for the locality. LOCALITY: Murun massif, between the Charo and Tokko rivers, Yakutia, Russia. Ba2Mn(VO4)2(OH) NAME ORIGIN: Named for the locality. LOCALITY: Shiromaru Mine, Okutama, Tama district, Tokyo Prefecture, Kanto Region, Honshu Island, Japan. CuCl2 NAME ORIGIN: Named for the locality. LOCALITY: Tolbachik volcano, Kamchatka, Russia. IrSbS NAME ORIGIN: Named for the locality. LOCALITY: Ust'-Bel'skii massif, Tolvka River, Northeastern Russia. Y4(Si,H4)4O12-x(OH)4+2x NAME ORIGIN: Named after Thomas Fredrik Barth (1899-1971), mineralogist and petroligist, Oslo University, Oslo, Norway. (V,Fe)4Ti3AsO13(OH) NAME ORIGIN: Named for Stephan A. Tomich (1914-), consulting geologist who discovered the mineral. Cr3C2 NAME ORIGIN: Named for the locality. LOCALITY: Liu Zhuang, Tongbai County, Henan, China Cu2Zn NAME ORIGIN: Named for the composition (tong=copper, xin=zinc). Fe+++6(AsO3)4(SO4)(OH)4•4H2O NAME ORIGIN: Named after its locality. LOCALITY: Found on waste dumps of the former gold and arsenic mines in the Gold Hill district, western Tooele County, Utah, USA. Al2SiO4(F,OH)2 NAME ORIGIN: Named after its locality. LOCALITY: Topasos Island in the Red Sea. Cu(UO2)2(PO4)2•8-12(H2O) NAME ORIGIN: Named after the Swedish chemist, Tornbern Bergmann (1735-1784). (Ce,La,Nd)2Al(SiO4)2(OH) NAME ORIGIN: Named for Alfred Ellis Tornebohm (1839-1911), former director of the Geological Survey of Sweden. (La,Ce)2Al(SiO4)2(OH) NAME ORIGIN: Named for Alfred Ellis Tornebohm (1839-1911), former director of the Geological Survey of Sweden. (Mg,Mn)9Zn4(SO4)2(OH)22•8(H2O) NAME ORIGIN: Named for John Torrey (1796-1873), American naturalist who early studied Franklin, New Jersey, USA minerals. Na0,5(Al,Mg)6(Si,Al)8O18(OH)12•5(H2O) NAME ORIGIN: Named for Toshio Sudo (1911-), Japanese mineralogist and crystallographer, University of Tokyo, Japan. (Na,Ca,K)8Al6Si6O24(SO4)2Cl•(H2O) NAME ORIGIN: Named after the Tunka (Tounka) Valley near the deposits. Ag2FeSn3S8 NAME ORIGIN: Named for the locality. LOCALITY: Toyoha mine, Sapporo, Japan. Ca4Si3O10•2(H2O) NAME ORIGIN: Named after it's locality. LOCALITY: Yarda Yaylasi, near Trabzon, Turkey. Fe++8(Zr,Y)2Ti3Si3O24 NAME ORIGIN: Named for the locality. LOCALITY: Tranquility Base, Moon (Apollo 11). (Ba,Ca)9(Fe++,Mn)2Ti2(SiO3)12(OH,Cl,F)6•6(H2O) NAME ORIGIN: Named for John Boardman Trask (1824-1879), first state geologist of California. (Fe,Mg)2(Mg,Fe)3(Si12O30) NAME ORIGIN: Named for Walter Trattner, a mineral collector with excellent knowledge of the mineralogy of the area in which the species was found. Ag7Pb6Bi15S32 NAME ORIGIN: Named for the locality. LOCALITY: Treasury mine, Geneva district, Colorado, USA. AgAsS2 NAME ORIGIN: Named for Charles O. Trechmenn (1851-1917), English mineralogist. (Mg,Fe++)3B7O13Cl NAME ORIGIN: Named for Lowell T. Trembath (1936-1994), Canadian mineralogist, Professor of Mineralogy, University of New Brunswick, Fredericton, Canada. [ ]Ca2Mg5Si8O22(OH)2 NAME ORIGIN: Named after its locality. LOCALITY: Tremola Valley, Alps. NiFe+++2O4 NAME ORIGIN: Named for Major Tudor Gruffydd Trevor, mining inspector for the Pretoria District, Transvaal, South Africa. Al3(UO2)4(PO4)4(OH)5•5(H2O) NAME ORIGIN: Named for the triangular habit of the crystals. SiO2 NAME ORIGIN: From the Greek Tridymos - "triplex." Pb3Mn(As+++O3)2(As+++O2OH) NAME ORIGIN: Named from the Greek for triangle, alluding to the characteristic crystal outline (K,Na)AlSiO4 NAME ORIGIN: For the length of the [100] axis, three times that of kalsilite. KLi1.5Al1.5AlSi3O10F2 NAME ORIGIN: Named for the high concentration of lithium. CaMn2Be3(SiO4)3 NAME ORIGIN: From the Greek for three parts, in allusion to the trilling twinning and associated optical effects. (Y,REE)2Ti2SiO9 NAME ORIGIN: Named for the locality and the yttrium content. LOCALITY: Trimouns talc deposit, 6 km northeast of Luzenac, Ariege, France. LiFe++PO4 NAME ORIGIN: From the Greek tri - "threefold" and fylon - "family" in allusion to the three cations in the formula. (Mn,Fe++,Mg,Ca)2(PO4)(F,OH) NAME ORIGIN: From the Greek triplos - "triplex." (Mn,Fe++)2(PO4)(OH) NAME ORIGIN: Named for triplite and the Greek for form, as it closely resembles that species. CuAs+++2O4 NAME ORIGIN: Paul Trippke (1851-1880), Polish mineralogist, who discovered the mineral. Fe++Sb+++++O4 NAME ORIGIN: Named after its locality. LOCALITY: Tripuhy valley (today Tripuí !!) near Ouro Preto. (Ca,U++++,Fe+++)(PO4,SO4)•2(H2O) NAME ORIGIN: Named for Sir Tristram, a figure in the Arthurian legend. (Ce,La,Ca,Y,Th)5(Si,B)3(O,OH,F)13 NAME ORIGIN: Named from the Greek for "three" and "to cut," in allusion to the trihedral cavities left in the host rock by the crystals. (Y,Ca,La,Fe++)5(Si,B,Al)3(O,OH,F)13 (?) NAME ORIGIN: Named from the Greek for "three" and "to cut," in allusion to the trihedral cavities left in the host rock by the crystals. H2(UO2)2(AsO4)2•8(H2O) NAME ORIGIN: Named for R. Troger, mining offical at Schneeberg, Germany. CoSe2 NAME ORIGIN: Named for the locality. LOCALITY: Steinbruch Trogtal quarry, Lautenthal, Harz,, Germany FeS NAME ORIGIN: Named for Dominico Troili, who described, in 1766, a meteorite which fell in Albareto, near Modena, Italy. Al4(PO4)3(OH)3 NAME ORIGIN: Named for Hans Gabriel Trolle-Wachtmeister (1782-1871), Swedish chemist. Na3(CO3)(HCO3)•2(H2O) NAME ORIGIN: From Arabic origins meaning "natron." (Ca,Mn++)14Si24O58(OH)8•2(H2O) NAME ORIGIN: Named for Samuel John Truscott (1970-1950), English mining geologist. Ni3Se4 NAME ORIGIN: Named for O. Trustedt, whose work on prospecting methods lead to the discovery of the Outokumpu ore deposit, Finland. N(CH3)4AlSi5O12 NAME ORIGIN: Named for Sergei Vasilievich Tsargorodtsev (1953-1986), mineral collector. [ ]Ca2(Mg3AlFe+++)Si6Al2O22(OH)2 NAME ORIGIN: Named for Gustav Tschermak von Sessenegg (1836-1927), Austrian mineralogist. (NH4)Al(SO4)2•12(H2O) NAME ORIGIN: Named after the locality. LOCALITY: Cermniky, (Tschermig), Czechoslovakia. (Ca,Na)(Si6Al2)O16•4-8(H2O) NAME ORIGIN: Named for Rudy Warren Tschernich (1945-), amateur mineralogist specializing in zeolites. Ca4(Ca,Sr,K,Ba)3Cu3(OH)8[Si12Al12O48]•x(H2O), x>=20 NAME ORIGIN: Named after Jochen Tschortner (1941-), mineral collector and finder of the mineral. (Ca,K,Na,[ ])2(Ti,Nb)2(Si4O12)(OH,O)2•4(H2O) NAME ORIGIN: Named as the Ca-dominant analogue of tsepinite-Na. (K,Ba,Na)2(Ti,Nb)2(Si4O12)(OH,O)2•3(H2O) NAME ORIGIN: Named as the K-dominant analog of tsepinite-Na. (Na,H3O,K,Sr,Ba)2(Ti,Nb)2[Si4O12](OH,O)2•3(H2O) NAME ORIGIN: Named for Anatoliy I. Tsepin (1946-), Russian microprobe analyst. (Sr,Ba,K)(Ti,Nb)2(Si4O12)(OH,O)2•3(H2O) NAME ORIGIN: Named as the Sr analog of tsepinite--Na, -K, and -Ca. Ag9SbTe3(S,Se)3 NAME ORIGIN: Named from the initials of the Russian name for the Central Scientice-Research Institute of Geological Prospecting in Moscow. Pb4As2S7 NAME ORIGIN: Named after the discovery locality. LOCALITY: Minami-Tsugara-gun provincial unit of the Aomori Prefecture in northern Japan. PbZnFe++(AsO4)2•(H2O) NAME ORIGIN: Named for the TSUMeb CORporation. Pb2Cu(PO4)(SO4)(OH) NAME ORIGIN: Named for the locality. LOCALITY: Tsumeb, Namibia. GaO(OH) NAME ORIGIN: Named for the Tsumeb mine and the composition (GALLium). BiTe NAME ORIGIN: Named for the locality. LOCALITY: Tsumo mine, Hiroshima, Shimane prefecture, Honshu, Japan. Ni9Sb2S8 NAME ORIGIN: Named for Karel Tucek, Curator of Minerals in the National Museum, Prague, Poland. MoO2 NAME ORIGIN: Named for Aleksei Ivanovich Tugarinov (1947-), geochemist, Vernadskii Institute, Moscow, Russia. Na4AlBeSi4O12Cl NAME ORIGIN: Named after its locality LOCALITY: Tugtup agatakorfia, Tunugdliarfik, Greenland. [ ](Na,K)Fe++Fe+++[Si6O15] NAME ORIGIN: Named for the locality. LOCALITY: Mayor (Tuhua) Island, Bay of Plenty (Opo Bay), Norht Island, New Zealand. Ca3(PO4)2 NAME ORIGIN: Named for Guangzhi Tu (1920-), professor and founding director of the Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, Guangdong Province, People’s Republic of Pt2FeCu NAME ORIGIN: Named after the locality. LOCALITY: Tulameen and Similkameen River, British Columbia, Canada. BaNa6Th(CO3)6•6(H2O) NAME ORIGIN: Named for the Tuliok River, Kola Peninsula, Russia, near where the mineral was first found. Na2(Zr,Sn)Si4O11•2(H2O) NAME ORIGIN: The mineral is named for the river Tumcha near Vuoriyarvi massif. Na2Ce2TiO2(SiO4)(CO3)2 NAME ORIGIN: Named after the Russian locality. LOCALITY: Mt. Nepkha, Lovozero tundra, Kola Peninsula, Russa and Mont Saint-Hilaire quarry, Quebec, Canada. Na3(Nd,La)4(Ti,Nb)2(SiO4)2(CO3)3O4(OH)•2(H2O) NAME ORIGIN: Named for its relation to tundrite-(Ce), and its neodymium content. SrB6O9(OH)2•3(H2O) NAME ORIGIN: Named for George Tunnel (1900-1996), U. S. Mineralogist. WS2 NAME ORIGIN: Named for the composition. Sb2O3•WO3 NAME ORIGIN: Named after its chemical composition of tungsten (W) and antimony (Sb). Swedish, tung sten = "heavy stone" and Latin, "stibium." WO3•(H2O) NAME ORIGIN: Named after its composition containig tungsen (Swedish, tung sten = "heavy stone"). [Ca14(OH)8](Si8020)(Si8020)2[Fe++9(OH)14] NAME ORIGIN: Named for the locality. LOCALITY: Found along the Lower Tunguska River, near Tura, central Siberia, Russia. NaCa2Al4(CO3)4(OH)8Cl NAME ORIGIN: Named for the locality. LOCALITY: Sakiet Sidi Yousseff Pb-Zn mine, between Le Kef and Souk Ahras, Tunisia. Na(Fe+++,Mn)3[Si8O20](OH)2•n(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Tuperssuatsiait Bay, Greenland. Cu5(VO4)2(OH)4 NAME ORIGIN: Named from the locality. LOCALITY: Tyuya Nuyun, Ferghana, Turan Region, Uzbekistan. Th(Ca,Na)2(K1-x,[ ]x)Si8O20•n(H2O) NAME ORIGIN: Named after the discovery locality, along the Turkestan Ridge. LOCALITY: Located 40 km apart north and south, respectively, of the Turkestan - Tadjikistan border. Ca5[(As,P)O4]3Cl NAME ORIGIN: Frederick Stewart Turneaure (1899-1986), Professor Emeritus of Geology, University of Michigan, Ann Arbor, Michigan, USA. CuAl6(PO4)4(OH)8•4(H2O) NAME ORIGIN: Named after Turkey (from where it was brought to Europe). (Mn,Mg)25.5[(V,As)O4]3(SiO4)3[AsO3]xO5-5x(OH)20+x NAME ORIGIN: Named after the locality. LOCALITY: Barrhorn Unit (Central Alps) in the Triassic marbles near Turtmanntal, Valais, Switzerland. K(Ca,Na)6(Si,Al)10O22(SO4,CO3,(OH)2)•(H2O) NAME ORIGIN: Named for the Tuscany region of Italy where the mineral was first found. MnSn++++(BO3)2 NAME ORIGIN: Named for the locality. LOCALITY: Upper Tusion River, Shakhdara Range, southwestern Pamir Mountains, Tadjikistan. NaCaB508(0H)2•3(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Tuzla salt mine, Bosnia-Herzegovina. Hg3SbAsS3 NAME ORIGIN: Named for A. A. Tvalchrelidze, founder of the Georgian Mineralogical-Petrographic School, Russia. (Ca,Mn++)4Be3Si6O17(OH)4•3(H2O) NAME ORIGIN: Named for the type locality. LOCALITY: Vevja larvikite quarry, Tvedalen, Brunlanes, Vestfold Co., Norway. Ca1-xYxF2+x, x~0.3 NAME ORIGIN: Named for John Peder Tveit (1909-1978), Norwegian miner, who found it in his quarry. Pb(Sb,As)2S4 NAME ORIGIN: Named for Robert M. Thompson (1918-1967), Canadian Mineralogist: Thompson means "son of Thomas," which is Aramaic for "twin." Na6Mg2(CO3)4(SO4) NAME ORIGIN: Named from the Greek for "luck or chance" because out of 5,000 northupite crystals, the last 10 were tychite. Ca2B5O9(OH)•(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Tyret railway station, on the east Siberian railway, in the Lena-Angara salt basin, Irkutsk district, Siberia, Russia. CaCu5(AsO4)2(CO3)(OH)4•6(H2O) NAME ORIGIN: Named after the locality. LOCALITY: Brixlegg-Schwaz District, Innsbruck, Tyrol, Austria. (Cu,Co,Ni)3Se4 NAME ORIGIN: Named for Joseph Burr Tyrell (1858-1957), first geologist to visit the area of discovery in Canada. Ca(UO2)2V2O8•5-8(H2O) NAME ORIGIN: Named from its locality. LOCALITY: Found in the Tyuya-Muyun (Tuja Mujun) hill, a northern spur of the Alai Mountains, Ferghana, in Turkestan. |
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