This European Standard specifies methods for making technical petrographic descriptions of natural stone, except for roofing slates. ForThis product,The method forThe petrographic examination is defined in EN 123262. Although chemical and physical methods of analysis are required for petrographic classification of some stone types,These methods will not be described inThis standard.
EN 12407:2007 history
2007EN 12407:2007 Natural stone test methods - Petrographic examination
2000EN 12407:2000 Natural Stone Test Methods - Petrographic Examination