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LINKS Resources www.asmave.it Verona stone association www.cosmave.it Versilia Stone Consortium www.assofom.it Italian marble furnitures producers www.italyformarble.it Institute for stone promotion www.assomarmistilombardia.it Lombardy Stone Association www.centrotravertinoromano.it Institute for the Travertino of Rome www.consorziomarmistichiampo.com Chiampo Valley Stone Association www.porfido.it E.S.P.O. Institute for the development of Porphyr stones www.cet.bz C.E.T. Trento Quarrying consortium www.videomarmoteca.it Research Lab Volargne VR www.pietranaturale.it The Italian mark protecting the real natural stone products Armonization ASTM - Usa American Society for Testing and Materials www.astm.org ISO - International International Standard Organisation www.iso.ch CEN - Europe European Committee for Standardization www.cen.eu UNI - Italy www.uni.com BSI - Uk www.bsi-global.com AENOR - Spain www.aenor.es AFNOR - France www.afnor.fr DIN - Germany www2.din.de ABNT - Brazil www.abnt.org.br IRAM - Argentina www.iram.com.ar BIS - India www.bis.org.in SAC - China www.sac.gov.cn GOST R - Russian Federation www.gost.ru SA - Australia www.standards.org.au Worldwide stone portals Find Stone - India www.findstone.com Usuarios Piedra - Spain www.piedra.com Stone Contact - Usa www.stonecontact.com World Stonex - India www.worldstonex.com Stone Network - Uk www.stone-network.com Litos On line - Spain www.litosonline.com Stone World - Usa www.stoneworld.com About Stone - UK www.aboutstone.org Stone Expo Zone - Portugal www.stoneexpozone.com MIA - Marble Institute - Usa www.marble-institute.com CDOS - India www.cdos-india.com STATISTICS Mindat - Minerals Database www.mindat.org Minerals USGS Dimensional stone data USA (gov) http://minerals.usgs.gov Mineral Stox www.mineralstox.com Canada's National Statistical Agency www40.statcan.ca Brazilian Statistical Geographic Foundation www.ibge.gov.br Argentina Statistical Institute www.indec.mecon.ar EUROSTAT Europe europa.eu.int ISTAT Italian institute for statistics www.istat.it India Statistical data www.india.gov.in China Statistical Institute www.stats.gov.cn Russian Committee for Statistics www.gks.ru Australian Bureau of Statistics (ABS) www.abs.gov.au Tools Currency converters Yahoo currency converter XE currency Oanda.com currency convert Bank of Canada.ca currency convert Metric, physical converters www.worldwidemetric.com www.onlineconversion.com On line calculators www.math.com www.calculator.com