HS Consulting  -  Petrographic Services

Prof. Dr. Helmut Schleicher

Natural Stone Investigations

Macroscopical and microscopical analysis

Petrographic examination and identification according to EN 12407
and EN 12670

Description and denomination of natural stones
according to EN 12440


petrographic analysis

natural stone provenance

building restoration

natural stone damage

petrographic examination


A petrographical examination according to EN 12407 and parts of prEN 12670 is required for any new implementation of a natural stone within the European market. Main focus is on microscopical investigations and descriptions of thin sections, in addition to macroscopical description, petrographic identification and denomination of the stone, and information regarding its place of origin.