Links

For industry education regarding gemstones:

http://www.gia.edu/

For issues regarding the gemstone market:

http://www.gemguide.com

For jade jewelry:

http://masonkay.com/

For Federal Trade Commission guidelines on Jewelry and Precious Metals:

http://www.ftc.gov/bcp/guides/jewel-gd.shtm#§%2023.4%20Misrepresentation%20as%20to%20gold%20content.