{{Referencias}}
==Enlaces externos==
*[http://minerals.usgs.gov/minerals/pubs/commodity/stone_dimension/ Dimension Stone Statistics and Information] – United States Geological Survey minerals information for dimension stone
*[http://minerals.usgs.gov/minerals/pubs/commodity/stone_crushed/cstonmyb05.pdf USGS 2005 Minerals Yearbook: Stone, Crushed]
*[http://minerals.usgs.gov/minerals/pubs/commodity/stone_dimension/dstonmyb05.pdf USGS 2005 Minerals Yearbook: Stone, Dimension]
*[http://minerals.usgs.gov/minerals/pubs/commodity/stone_crushed/myb1-2006-stonc.pdf USGS 2006 Minerals Yearbook: Stone, Crushed]
*[http://minerals.usgs.gov/minerals/pubs/commodity/stone_dimension/myb1-2006-stond.pdf USGS 2006 Minerals Yearbook: Stone, Dimension]
*[http://www.marble-institute.com/ Marble Institute of America]
{{geología navcaja}}