Pollucite

Of mineral.

A rare mineral that is an important source of cesium.

This concept's ID is @1~74177

Metal

  • cesium 1 facts

    A soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive...

  • rubidium 0 facts

    A soft silvery metallic element of the alkali metal group; burns in air and reacts violently...