Natural Beauty

All Sterling Products turquoise is treated by the only process that maintains the natural properties of turquoise.

Cultured Opal

Our opal is lab grown in America by simply speeding up Mother Nature's process. It's beauty, variety and durability makes it the best cultured opal in the world.

You won’t find stones this beautiful anywhere else


Sterling Products has access to the finest turquoise anywhere in the world. We carry rough turquoise from various mines worldwide, and products including cabochons, hand cut drilled and undrilled specialty nuggets and a wide variety of drilled turquoise beads, both nugget and calibrated.

Sterling Foutz, the founder and owner, has been in the turquoise business for ovber 40 years, a legacy starting with his great grandfather. Sterling briefly owned the lease to the Kingman and Sleeping Beauty mines, and the Baja Mexico mine, as well as a joint venture at the Hubei China mine.




All Sterling Products turquoise is “Zachery” treated.  The Zachery Treatment is a proprietary process developed by electrical engineer and inventor, James Zachery in the early 1980’s.  Zachery sold the process to Sterling Foutz in 1987.  It is the only process that maintains the natural properties of turquoise, unlike most other treatments which rely on dyes, resins, oils or waxes.  The process was studied and thoroughly tested by the GIA (Gemological Institute of America).  Their findings were published in the 1999 Spring Issue of Gems and Gemology magazine.

A synopsis of their report can be found on their website.



We carry a collection of Native American Zuni and Navajo turquoise and opal jewelry hand crafted and designed by some of the finest artists — Carmichael Haloo, Robert Leekya and Ray Bennett to name a few. Get a taste from the photos on this site then contact us for more information and to see additional pieces.

Our jewelry selection features the finest natural turquoise in America, Mexico and China and stunning Sterling Opal. Sterling Opal is a fine lab-cultured opal handcrafted in America, with naturally gorgeous refraction and play of color.




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