Or artisanal. Extraction de paillettes d'or dans la terre et le sable de manière traditionnelle
12:33
The jet. Mining and use in jewelry of this shiny black mineral | Documentary film
14:11
Inside Africa's Food Forest Mega-Project
17:46
Como fundir ORO en casa y REFINAR ( how to melt gold at home )
20:07
Cutting a Massive Gemstone Over 1000 Carats! How I Facet This Jumbo Quartz
15:11
I Built a Wildlife Pond - here's what happened
18:12
Artisan black pottery. Preparation of the clay and elaboration of pieces in a wood oven
12:23
Copper. Manual extraction in an abandoned mine and visit to its mouths
23:11