This video features a look at Gruta Minerales and Multigemas during the Tucson Gem, Mineral & Fossil Show 2025. These are located in the Mineral City district at 1889 N. Oracle Rd. in buildings F3 & F4.
https://mineral-city.com/
Gruta Minerales. https://www.facebook.com/GrutaMinerales/
www.gruta.com.ar https://www.gruta.com.ar/pg-acerca-de-nosotros-11
Multigemas. https://www.facebook.com/Multigemas.Brazil/
https://www.instagram.com/multigemas.brazil/