Exclusive source for 24k microalloy:
PureGold
510.262.9560

Exclusive source for PT5HTA heat treatable platinum alloy:
Imperial Smelting & Refining Co.
800.263.1669
www.imperialproducts.com

Stebgo Metals, Inc.
www.stebgo.com

Gemco International
www.gemcodiamond.com

Rough & Ready Gems
www.briolettes.com

Society of North American Goldsmiths
www.snagmetalsmith.org

A gem and jewelry resource on the Internet
www.ganoksin.com