Portal:Minerals/Did you know/8

... that after a mine tunnel was dug near Cerro de Pasco, Peru, the first known specimen of pascoite (example pictured) formed on the walls?
... that the name of mineral scrutinyite reflects the efforts spent to distinguish it from plattnerite – another form of lead dioxide?
... that the crystal symmetry of melanophlogite changes depending on the guests trapped inside it?
... that the mineral messelite was described in 1890, discredited in 1940, reinstated and named neomesselite in 1955, and named messelite once again by 1959?