logo
  • Quiénes somos
  • Presentación de Marc & Kyle
  • Blog
  • Eventos
  • Campañas
    • I DO Campaign
  • Recursos
    • Jeweler Education Resources
    • Minería y conflicto - informes de la sociedad civil
    • Informes de Oro y Diamantes
    • Informes clave & Documentos
      • Greenland Ruby Report
  • Contáctenos
Marc Choyt
13 de noviembre, 2009
60 Minutes, Oro, green gold, refining
2

Where Does Gold In Jewelry Come From?

By Patrick Schein Introduction: This was written in response to a comment written in response to my previous post on 60 Minutes. In the Comments for this, “Stephen” escribió, “First of all: all the gold for the jewellery comes from refined gold = 100% green…” (Patrick Schein) Patrick Schein, who is an expert on these

Leer más
facebook google gorjeo Pinterest

logotipo de fondo
©2015. Feria de Joyería Acción
  • gorjeo
  • facebook