Onyx Marble
a very beautiful translucent limestone of stalagmitic formation discovered by the French in the province of Oran, Algeria, and first brought into general notice at the London exhibition of 1862. It is used for the manufacture of mantel pieces, urns, and interior decorations, also for small ornaments, such as ink-stands, paper-weights. Much Mexican onyx or Tecalli marble is used for these purposes. r-weights.