World Stone Market: $23 Billion in 2014 VERONA, Italy – World stone trade continued its rise last year from the depths of the 2009 recession, according to the latest review of international quarrying and production. World Stone Statistic [caption id="attachment_6990" align="alignnone" width="250"] Carlo Montani[/caption] The XXVI World Stone Report noted a 3.85% increase in total activity, thanks...