Category
page 1Uranium(V) compounds
uranium pentafluoride
chemical compound
uranium pentachloride
chemical compound
uranium pentabromide
chemical compound
Diuranium pentoxide
chemical compound
wyartite
Wyartite ·7H2O is a uranium bearing mineral named after Jean Wyart (1902–1992), mineralogist at the Sorbonne, Paris. It has greenish-black, black, or violet-black, translucent to opaque orthorhombic crystals. It has a hardness of 3 to 4 on the Mohs scale. Its other names are ianthinite (of Bignand), wyartit and wyartita. It belongs to the uranium carbonate group of minerals. It is found next to rutherfordine in Shinkolobwe, Shaba, Zaire.