Vol. XIV · № 138
Thursday, September 24, 2026
Red Deer Rock N' Gem Show · Gem Faire - Salt Lake City · Treasures of the Earth Gem, Mineral, & Jewelry Show - Richmond - Fall
GEM-AD Member
Vendor Profile · № 30906 · Ouro Preto do Oeste, Rondonia, Brazil
Amethyst Costa Marques
Amethyst Costa Marques is a gem and mineral industry vendor. Based in Ouro Preto do Oeste, Rondonia, Brazil.
