Properties & Information
Ulexite
UlexiteSCIENCE / MINERALOGYUlexite is a hydrated sodium calcium borate, NaCaB₅O₆(OH)₆·5H₂O, famous for fibrous aggregates that transmit images along aligned fibers and create the 'TV rock' effect.GEOLOGY & FORMATIONIt forms in...
Ulexite
UlexiteSCIENCE / MINERALOGYUlexite is a hydrated sodium calcium borate, NaCaB₅O₆(OH)₆·5H₂O, famous for fibrous aggregates that transmit images along aligned fibers and create the 'TV rock' effect.GEOLOGY & FORMATIONIt forms in...
Turritella Agate
Turritella AgateSCIENCE / MINERALOGYTurritella Agate is a trade name for fossiliferous chalcedony from the Green River Formation of Wyoming. The visible shells are mostly freshwater snails of the genus Elimia,...
Turritella Agate
Turritella AgateSCIENCE / MINERALOGYTurritella Agate is a trade name for fossiliferous chalcedony from the Green River Formation of Wyoming. The visible shells are mostly freshwater snails of the genus Elimia,...
Turquoise
TurquoiseSCIENCE / MINERALOGYTurquoise is a hydrated copper aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O, occurring as blue, blue-green, and green massive, nodular, vein, and crust material.GEOLOGY & FORMATIONIt forms in arid oxidized copper deposits...
Turquoise
TurquoiseSCIENCE / MINERALOGYTurquoise is a hydrated copper aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O, occurring as blue, blue-green, and green massive, nodular, vein, and crust material.GEOLOGY & FORMATIONIt forms in arid oxidized copper deposits...
Tugtupite
TugtupiteSCIENCE / MINERALOGYTugtupite is a beryllium aluminum silicate chloride mineral in the sodalite group, typically pink, red, white, or blue-green. Many specimens fluoresce brightly and are tenebrescent.GEOLOGY & FORMATIONIt forms...
Tugtupite
TugtupiteSCIENCE / MINERALOGYTugtupite is a beryllium aluminum silicate chloride mineral in the sodalite group, typically pink, red, white, or blue-green. Many specimens fluoresce brightly and are tenebrescent.GEOLOGY & FORMATIONIt forms...
Tsavorite Garnet
Tsavorite GarnetSCIENCE / MINERALOGYTsavorite Garnet belongs to the garnet group of cubic silicate minerals. Garnet chemistry varies among species such as pyrope, almandine, spessartine, grossular, andradite, and uvarovite, so a...
Tsavorite Garnet
Tsavorite GarnetSCIENCE / MINERALOGYTsavorite Garnet belongs to the garnet group of cubic silicate minerals. Garnet chemistry varies among species such as pyrope, almandine, spessartine, grossular, andradite, and uvarovite, so a...
Truffle Chalcedony
Truffle ChalcedonySCIENCE / MINERALOGYTruffle Chalcedony is a trade name for rounded, botryoidal, or nodular chalcedony whose textured surfaces resemble truffles. Mineralogically the material is microcrystalline quartz.GEOLOGY & FORMATIONIt forms when...
Truffle Chalcedony
Truffle ChalcedonySCIENCE / MINERALOGYTruffle Chalcedony is a trade name for rounded, botryoidal, or nodular chalcedony whose textured surfaces resemble truffles. Mineralogically the material is microcrystalline quartz.GEOLOGY & FORMATIONIt forms when...