Tanzanite is a very pretty gemstone. Its colors range from green to purple to blue. Most people desire the deep blue variety which has purple around it.
Tashmarine Diopside
Tashmarine Diopside is a brilliant yellow-green gemstone discovered in Tajikistan, Uzbekistan and Western China.
Tiger's Eye Matrix
Tiger's Eye Matrix contains tiger's-eye-like structures that alternate with iron oxide layers.
Variscite
Variscite contains traces of chromium. It is of high quality and is used for carvings and jewelry.
Tiger's Eye
Tiger's Eye is a light tan macrocrystalline quartz. Its stripes can appear to be uneven because of the structural fibers.
Tourmaline
Tourmaline is found in every color. This gemstone can be light or dark and often contains more than one color in the same stone.
Topaz
Topaz is a hard gemstone. The blue topaz is favored by many. However, it comes in many hues.
Zircon
Zircon is brilliant in color and is enjoyed by many.
Turquoise
Turquoise, the blue cousin to lapis lazuli, has been known and valued for thousands of years. The early mines in Sinai, Egypt, were already worked out in 2000 B.C.
Tsavorite Garnet
This garnet is a beautiful green and was discovered in the wilderness between Tanzania and Kenya.
Verdite
Verdite is a spotted light to dark green serpentine.. Most are found in South Africa and Zimbabwe.