Useful links

Stone Information

https://www.geminterest.com

https://www.gemmo.eu/fr

Purchase of gemmological equipment and accessories

https://www.atelierlatrouvaille.com/

Discover the Ollinmexica - Obsidienne boutique for an exceptional selection of obsidian sculptures and jewelry, as well as Guatemalan jade.

http://www.ollinmexica-obsidienne.com/

Legislation on the sale of stones

Decree n°2002-65 of January 14, 2002 relating to the trade in gemstones and pearls - Légifrance (legifrance.gouv.fr)