0	TAAFFEITE (Beryllium Magnesium Aluminum Oxide)
0	TAINIOLITE (Potassium Lithium Magnesium Silicate Fluoride)
0	TALC (Magnesium Silicate Hydroxide)
0	TANTALITE (Iron Manganese Tantalum Niobium Oxide)
0	TANZANITE (gem variety of Zoisite)
0	TARBUTTITE (Zinc Phosphate Hydroxide)
0	TEALLITE (Lead Tin Sulfide)
1	TEKTITES (Meteoric Silica Glass)
0	TELLURIUM (Te)
0	TENNANTITE (Copper Arsenic Sulfide)
0	TEPHROITE (Manganese Silicate)
0	TETRAHEDRITE (Copper Antimony Sulfide)
0	THAUMASITE (Hydrated Calcium Silicon Carbonate Sulfate Hydroxide)
0	THENARDITE (Sodium Sulfate)
0	THOMSONITE (Hydrated Sodium Calcium Aluminum Silicate)
0	THORITE (Thorium Uranium Silicate)
0	THOROGUMMITE (Thorium Uranium Silicate Hydroxide)
0	TIN (Sn)
0	TINAKSITE (Titanium Sodium Potasium Silicate Hydroxide)
0	TINCALCONITE (Hydrated Sodium Borate)
0	TITANIUM (Ti)
0	TITANITE (alternate name for Sphene)
Sale! 2	TOPAZ (Aluminum Silicate Fluoride Hydroxide)
0	TOPAZOLITE (the yellow variety of Andradite Garnet)
0	TORBERNITE (Hydrated Copper Uranyl Phosphate)
*	TOURMALINE (Group)
0	TREMOLITE (Calcium Magnesium Iron Silicate Hydroxide)
0	TRIDYMITE (Silicon Dioxide)
0	TRIPHYLITE (Lithium Iron Manganese Phosphate)
0	TRONA (Hydrated Sodium Bicarbonate Carbonate)
0	TSAVORITE (variety of Grossular garnet)
0	TSUMCORITE (Hydrated Lead Zinc Iron Arsenate)
0	TSUMEBITE (Lead Copper Phosphate Sulfate)
Sale! 3	TURQUOISE (Hydrated Copper Aluminum Phosphate)
0	TYUYAMUNITE (Hydrated Calcium Uranyl Vanadate)