Tacharanite

Mineral # 431 Available

Tacharanite, a zeolite, as a white coating including tiny spherules on pectolite crystals, from the long-closed classic locality; the Jeffrey Mine, Asbestos, Quebec, Canada. Collected before 1981.

This rich specimen example measures about 4.4 cm x 2.5 cm x 1.7 cm.

Tacharanite # 431 – Price: $US 60.

Talc

Mineral # 364 Available

White Talc, from the Canada Talc Mine, Madoc, Ontario, Canada. Collected 1978.

This specimen which is solid massive talc, measures about 15.6 cm x 9.2 cm x 3.7 cm.

Talc # 364 – Price: $US 30.

"Tantalite"

Mineral # 240 Available

Tantalite is no longer considered as a single mineral species; this "tantalite" material is from the Hugo pegmatite, Hugo Mine, near Keystone, South Dakota, USA, collected pre-1981. The material is crystalline single crystal and shows parts of some faces and cleavages, common with the material from this pegmatite.

This specimen measures about 4.1 cm x 2.3 cm x 1.7 cm. The crystals are about 3 mm x 5 mm.

"Tantalite" # 240 – Price: $US 20.

Taramellite

Mineral # 074 Available

Taramellite from the Esquire #7 Mine, Big Creek, Fresno County, California, USA, collected pre-1978. The taramellite occurs as dark red-brown plates in accessory sanbornite.

This specimen measures about 6.4 cm x 2.5 cm x 2.8 cm. The crystals are about 3 mm x 5 mm.

Taramellite # 074 – Price: $US 25.

Tavorite

Mineral # 446 Available

Tavorite, as pale lime-green ~1-mm veins in graftonite, from the often-cited Bull Moose Mine, Custer, South Dakota, USA; collected before 1978. Original South Dakota School of Mines label included.

This specimen measures about 5.2 cm x 4.5 cm x 2.6 cm.

Tavorite # 446 – Price: $US 60.

Tenantite

Mineral # 188 Available

Tenantite from Tsumeb, Namibia. Accessories calcite and malachite. Collected before 1982.

This specimen measures about 5.2 cm x 4.4 cm x 2.3 cm. The edge of the large crystal measures about 13 mm.

Tenantite # 188 – Price: $US 200.

Tetradymite

Mineral # 413 SOLD

Tetradymite as brassy-gray plates covering about 1.5 cm x 3 mm from The White Elephant Mine, Ewings Landing, Lake Okanogan, British Columbia, Canada. Accessories include gold and quartz. Collected before 1978.

This specimen measures about 2.7 cm x 1.5 cm x 2.7 cm.

Tetrahedrite

Mineral # 470 Available

Tetrahedrite crystals to about 3 mm from Penhale, Wadebridge District, Cornwall, England. Accessories quartz and others. Collected before 1978.

This specimen measures about 5.5 cm x 4.2 cm x 3.0 cm.

Tetrahedrite # 470 – Price: $US 45.

Tetrahedrite

Mineral # 471 Available

Tetrahedrite crystals to about 3 mm from Penhale, Wadebridge District, Cornwall, England. Accessories quartz and others. Collected before 1978.

This specimen measures about 2.7 cm x 2.1 cm x 1.5 cm.

Tetrahedrite # 471 – Price: $US 30.

Thalenite


Mineral # 189 Available

Beige massive Thalenite from Høgtveit Evje, Sefesdal, Norway. Includes label from Mineralogisk-Geologisk Museum Oslo Norway. Collected 1928 by I. Oftedal.

This specimen measures about 5.2 cm x 4.4 cm x 2.3 cm.

Thalenite # 189 – Price: $US 65.

Thalenite-(Y)



Mineral # 330 Available

Outstanding very rare 1.5 cm glassy transparent pink Thalenite crystal from Hundholmen, Tysfjord, Nordland, Norway. Lighting in the second picture was adjusted to show the surface of the main crystal. Includes label from Mineralogisk-Geologisk Museum Oslo Norway. Collected before 1977.

This specimen measures about 7 cm x 3.5 cm x 3.4 cm.

Thalenite-(Y) # 330 – Price: $US 650.

Thorite var. Uranothorite

Mineral # 331 Available

Assemblage of several brown crude thorite crystals to about 2 cm, free of matrix, from Kemp Prospect (Kemp Uranium Mine), Cheddar, Cardiff Township, Haliburton Co., Ontario, Canada. Collected before 1982.

This specimen measures about 2.2 cm x 2.2 cm x 1.9 cm.

Thorite var. Uranothorite # 331 – Price: $US 250.

Thortveitite


Mineral # 332 Available

Outstanding! Several Thortveitite gray-green crystals to about 2.7 cm in feldspar, with two crystals of unidentified rare-earth minerals, and biotite. From Håverstad, Iveland, Aust-Agder, Norway. Collected September, 1933 by O.Laudsverle(?). Original University Museum label included.

Thortveitite is the primary ore mineral of the rare element Scandium, and as such is the most expensive economic mineral on the planet!

This specimen measures about 9.5 cm x 7.1 cm x 4.5 cm.

Thortveitite # 332 – Price: $US 1500.

Tilasite

Mineral # 443 Available

From the type-locality, the tilasite is massive, gray-violet colored. From the classic Långban, Filipstad, Värmland, Sweden locality, collected before 1978. Accessories include hematite and berzeliite.

This specimen measures about 5.0 cm x 3.3 cm x 3.3 cm.

Tilasite # 443 – Price: $US 35.

Tilleyite

Mineral # 407 Available

From the type-locality, tileyite is beige-massive in this specimen. From the Crestmore Quarry, Crestmore, California, USA; collected before 1978. Accessories include calcite.

This specimen measures about 6.2 cm x 4.1 cm x 3.1 cm.

Tilleyite # 407 – Price: $US 50.

Titanite

Mineral # 418 Available

Titanite, as a single twinned crystal from a notable locality: Gletsch, Canton Valais (or Wallis), Switzerland; collected 1968. Accessories include chlorite.

This specimen measures about 4.2 cm x 1.2 cm x 0.4 cm.

Tiitanite # 418 – Price: $US 250.

Titanite


Mineral # 415 Available

Titanite, as a single micro pink crystal from a the now-closed famous Jeffrey Mine, Asbestos, Quebec, Canada; collected 1979. Accessories include clinochlore, grossular, diopside.

This specimen measures about 3.0 cm x 2.3 cm x 1.3 cm.

Titanite # 415 – Price: $US 50.

Topaz

Mineral # 333 Available

Attractive single light sherry colored topaz crystal, about 1 cm long, perfect termination and gemmy. From the Thomas Range, Utah, USA. Collected before 1977.

Topaz # 333 – Price: $US 30.

Triphylite

Mineral # 357 Available

Triphylite occurs as massive black patches, together with arsenopyrite. From the Dan Patch Mine, Keystone, South Dakota, USA. This specimen was collected pre-1978 by the South Dakota School of Mines, and includes their original label.

This specimen measures about 3.4 cm x 4.0 cm x 2.0 cm.

Triphylite # 357 – Price: $US 50.

Triphylite

Mineral # 358 Available

Triphylite occurs as massive brown material, associated with lithiophilite. From the Tanco Mine, Bernic Lake, Manitoba, Canada. This specimen was collected before 1978.

This specimen measures about 4.3 cm x 3.6 cm x 2.3 cm.

Triphylite # 358 – Price: $US 35.

Triphylite

Mineral # 265 Available

Triphylite occurs as a massive gray-green material, together with "columbite". This pegmatite, originally mined for feldspar, has produced many interesting minerals. From Minas Wildenauer, Hagendorf, Bavaria, Germany. This specimen was collected 1964.

This specimen measures about 9 cm x 6 cm x 5 cm.

Triphylite # 265 – Price: $US 50.

Tritomite-(Ce)

Mineral # 404 Available

Tritomite-(Ce) is found as a deep red or brown crystal fragment, together with several blebs as well. Location: Lakarp, Norra Kärr, Östergötland, Sweden. This specimen was collected before 1978.

This specimen measures about 5.8 cm x 2.4 cm x 1.3 cm.

Tritomite # 404 – Price: $US 50.

Tritomite-(Y)

Mineral # 405 Available

From the tritomite-(Y) (formerly Spenceite) type locality. Material was found as a lens underground about 1960 by Hal Steacy of the GSC at the then Faraday Mine, (later Madawaska Mine), Bancroft, Cardiff Township, Haliburton County, Ontario, Canada; associated quartz and feldspar.

This exceptional specimen measures about 8.7 cm x 6.2 cm x 1.3 cm.

Tritomite # 405 – Price: $US 250.

Turquoise

Mineral # 334 Available

Beautiful micro turquoise crystals in vugs in clay with accessory quartz. Very unusual and attractive. From the Gunheath Claypit, St. Austell, Cornwall, England. Collected before 1977.

This specimen measures about 7.3 cm x 5.2 cm x 3.5 cm. Largest vug about 1.4 cm long.

Turquoise # 334 – Price: $US 40.