The Collaborative International Dictionary of English v.0.48:

Miliolite \Mil"i*o*lite\, n. (Paleon.)
   A fossil shell of, or similar to, the genus Miliola.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Miliolite \Mil"i*o*lite\, a.
   The same Miliolitic.
   [1913 Webster]

   Miliolite limestone (Geol.), a building stone, one of the
      group of the Paris basin, almost entirely made up of
      many-chambered microscopic shells.
      [1913 Webster]