The dolomitic limestones of Florida ( FGS: Report of ... 2021-8-30 · ed stone is also omployod tfor rcad stone. anmirailroad ballast. The physical properties of tto -ston ae are of riie importance fcr these uses. On account of its low price, the choice betweenn limestone and Iclomite would be governed by the availability of -the niterial. and its proximity to markets.