- Ielva Gem
- razilian stones rough emerald amethyst, imperial topaz, citri.
- Address:Visconde de Piraja, Rio de Janeiro, Rio de Janeiro, Brazil,22640000
- STA International Limited
- Quartz,Imperial Topaz,Columbite,Tourmaline,Alexandrite,Gemstones, Steel Raw Material, .
- Address:Rua Bambui, 539
- Ielva Gems
- brazilian stones rough emerald amethyst, imperial topaz, citrin.
- Address:Visconde de Piraja, Rio de Janeiro, Rio de Janeiro, Brazil
- NESS CORP
- copper ore, concentrates, semi precious,Imperial Topaz,Copper,Concentrate.
- Address:Clemente Ritz, Curitiba, PR, Brazil
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