Taramite is a rare member of the amphibole group found at only a handful of localities.
A rare, thorite bearing mineral.
A calcium titanium silicate mineral that is a source of titanium metal.
A very hard, yet brittle gemstone that comes in a variety of colors.
Torbernite is a copper uranyl phosphate containing Uranium.
Also known as Schorl, the most common form of tourmaline.
Tremolite exposure has been linked to pleural calcification and mesothelioma in people living in areas where tremolite is a geological component of the soil, or in people living near asbestos mines or factories.
Trilobites are extinct marine arthropods that form the class Trilobita that existed some 500 million years ago.
An opaque blue to green mineral that has been used as a gemstone for millennia due to it's hue.