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Gemstones Testing Laboratories Contract Laboratories works with International Gemstones Contract Laboratories, Gemstones Contract Research Organizations and Gemstones Scientific Research Facilities. Browse our International Gemstones Scientific Laboratory Directories to help you meet your scientific research and laboratory testing needs.

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Gemstones laboratories may also do the following tests:

  • Government Compliance Testing
  • CPSC Testing
  • California Proposition 65 Testing
  • Registration Testing
  • Evaluation Testing
  • Authorization and Restriction of Chemicals (REACH) Testing
  • Precious Metals Testing
  • Nickel Testing
Learn More About Gemstones Testing