The woods used for the production of charcoal are selected woods of high density (more weight), and a high calorific power (better perfomance), which makes it a very high quality charcoal, superior to other regions. It does not sparkle.
Wood species used for the production of charcoal:

Algarrobo Blanco: Prosopis Glandulosa
Algarrobo Negro: Prosopis Nigra
Urunde'y: Astronium Urundewa
Lapacho: Tabebuia Impetiginosa
Guiguipire: Rupretchi Triflora
Guayaibi: Patagonula Americana
Guayacán: Sesalpinia Paraguariensis
Palo Blanco: Calicofilium Multiflorum
Quebracho Blanco: Aspidosperma Aposinase
Yvyraita: lonchocarpus Leucantus