List of minerals recognized by the International Mineralogical Association (T)

This list includes those recognised minerals beginning with the letter T. The International Mineralogical Association is the international group that recognises new minerals and new mineral names; however, minerals discovered before 1959 did not go through the official naming procedure, although some minerals published previously have been either confirmed or discredited since that date.

This list contains a mixture of mineral names that have been approved since 1959 and those mineral names believed to still refer to valid mineral species (these are called "grandfathered" species).

The list is divided into groups: The data was exported from mindat.org on 29 April 2005; updated up to 'IMA2021'.

The minerals are sorted by name, followed by the structural group (rruff.info/ima and ima-cnmnc by mineralienatlas.de, mainly) or chemical class (mindat.org and basics), the year of publication (if it's before of an IMA approval procedure), the IMA approval and the Strunz-mindat code.

The first link is to mindat.org, the second link is to webmineral.com, and the third is to the Handbook of Mineralogy (Mineralogical Society of America).

Talc specimen from Vermont with freestanding crystals
Tanzanite on calcite
Tennantite . Tsumeb , Otjikoto (Oshikoto) Region, Namibia.
Tetrahedrite - Machacamarca Mine, Machacamarca District, Cornelio Saavedra Province, Potosí Department, Bolivia
Pyramidal, slate-gray crystals of tetrahedrite have grown in and around translucent, pastel gray, crystals of quartz.
Perfect ball of thomsonite measuring 4 cm, centered on the sparing matrix, surrounded by smaller balls
Tobermorite crystals forming a translucent "blob" over matrix of pyrite
Sherry-colored topaz from Maynard's Claim (Pismire Knolls), Thomas Range, Juab County, Utah, USA
Forest-green, tetragonal crystals of torbernite
Torbernite - Mashamba West Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)
Purple-capped tourmaline , quartz, and albite
Tourmaline (var. indicolite) on albite
Beryl (var. morganite) with tourmaline . Pederneira claim, São José da Safira, Doce valley , Minas Gerais , Brazil
Etched crystal of triplite
Tsavorite with graphite and apatite
Tubulite
Turquoise pebble, polished. US
Radial sprays of turquoise-blue tyrolite lathes cover the matrix plate