Ethically sourced, Mine-to-market American gemstones
American Gem Co.
American Gem Co. is a Mine-to-market, Business-to-business gem and jewelry supplier. We exclusively work with Arkansas-based company Avant Mining to supply our brilliant AAA-grade, oscillator-quality quartz crystal. Avant Mining recently acquired the Mona Lisa Mine. Arkansas's first and only turquoise discovery. We are proud to celebrate that discovery through fine jewelry. American Gem Co. guarantees every stone is ethically sourced and mined in the United States of America.
Collaborations and Sourcing
Designer Eva Stone
Quartz Crystal, Zigras Mine, Jessieville, Arkansas
Quartz Crystal, Zigras Mine, Jessieville, Arkansas
Eva Stone has distinct designs featuring an array of textures and structures.
Combinations of polished and brushed silver with galvanic gilding and ruthenium, as well as with oxidation. These treatments create dimension and marry the artistry of fine jewelry and science.
Eva Stone uses .925 sterling silver and 18k gold to frame and celebrate our gemstones for a lifetime to come.
Quartz Crystal, Zigras Mine, Jessieville, Arkansas
Quartz Crystal, Zigras Mine, Jessieville, Arkansas
Quartz Crystal, Zigras Mine, Jessieville, Arkansas
What is "AAA Grade" oscillator-quality quartz crystal?
Avant Mining produces the purest natural quartz in the world. This means our quartz is optically and structurally internally flawless.
Historic quartz crystal specimens from the Zigras Mine in Blue Springs, Arkansas have been featured in Gems & Gemology publications and can also be found in the Smithsonian, Harvard, Caltech, and the American Museum of Natural History!
The Mona Lisa Mine in Mena, Arkansas
Quartz Crystal, Zigras Mine, Jessieville, Arkansas
The Mona Lisa Mine in Mena, Arkansas
A new discovery!
The Mona Lisa Mine is the only gem-quality turquoise mine in the Eastern U.S. and has produced one of the three largest turquoise specimens ever discovered. Owned and operated by Arkansas-based mining company - Avant Mining since 2017.
From robin egg blues to greenish hues Mona Lisa Mine produces the full spectrum of Turquoise colors.
who we are
Patric Brosh
Business-to-Business
Business-to-Business
Owner and Founder
Patric Brosh is the second generation to join the family tradition of fine jewelry. He has decades of experience in nearly every facet of the industry.
American Gem Co. represents his commitment to serving Arkansas through fine jewelry.
Business-to-Business
Business-to-Business
Business-to-Business
American Gem Co. is a Business-to-Business jewelry supplier.
We will work with you to develop an exclusive collection for your business.
We look forward to serving your business at full-scale.
Deena Eckel
Business-to-Business
Deena Eckel
Gemologist and Retail Manager
Deena Eckel is a graduate gemologist of the Gemological Institute of America. In 2016, she began working with Avant Mining to unearth North Americas largest quartz crystals. She will be your guide through our process here at AGC.