Conflict Metals

As a supplier of frequency control products, RUBY QUARTZ uses certain metals in the products we manufacture. While RUBY QUARTZ requires that all our suppliers comply with the Electronics Industry Code of Conduct and to only source materials from environmentally and socially responsible suppliers, we recognize the complex supply chain involved with certain metals and have taken steps to ensure that virgin metals we purchase do not originate in conflict mines. ‘Conflict Mining’ and ‘Conflict Metals’ refers to the illegal control of some mines in the eastern region of the Democratic Republic of Congo in Africa. The electronics industry uses certain types of metals, some of which are potentially refined from minerals obtained from these mines.

The primary minerals and metals that could potentially come from conflict mines are:

  • Cassiterite (tin)
  • Gold
  • Cobalt
  • Coltan (niobium and tantalum)
  • Wolframite (tungsten)
  • Pyrochlore (niobium)

The metals that RUBY QUARTZ uses are tin and gold. Tin is used in certain copper alloy terminals, some platings, and solder, while gold is used in platings of some terminals and gold electrodes.

RUBY QUARTZ does not directly purchase any of the other minerals and metals listed (cobalt, niobium, tantalum, and tungsten), so we are focusing our efforts on tin and gold suppliers.

RUBY QUARTZ requires that all of our suppliers conform to the Electronics Industry Code of Conduct (found at Because the supply chain for these metals is complex, we have requested that our tin and gold suppliers, trace these metals to their source, and to take corrective actions if any conflict mines are used. RUBY QUARTZ and its suppliers do not knowingly use any virgin tin or gold obtained from conflict mines and will regularly query suppliers to verify that our requirements are being met to help ensure the health and safety of all workers in our supply chain.

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