About GMA
The Trusted Global Leader in Industrial Garnet Providing the Highest Quality Abrasives for Over 35 Years
From Mine to Customer
We manage the complete supply chain from mining and processing to distribution and sales throughout more than 80 countries.
Learn More
Our Responsibility
We Strive to Make a Difference Living by Our Values of Care, Trust, Excellence and Teamwork
At GMA We are uncompromising in the safety of our people and our products, managing our natural resources responsibly and actively providing support to our communities.

Learn More
Blasting Abrasives
The Most Advanced Abrasive Blasting Media Increase productivity and achieve a cleaner finish with GMA Garnet™
TruCost Abrasive Blasting Calculator How much does your blasting abrasive really cost you, and how much could you save with GMA Garnet™?

Find out now
Waterjet Cutting
Waterjet Cutting Prevent Downtime and Maximize Production
What should you look for in your waterjet garnet?
Explore the advantages of pure, consistently high quality garnet for your waterjet cutting projects.

Download now
- GMA ClassicCut™
Specialty Applications & Minerals
Specialty Garnet Applications & Minerals
More than just garnet GMA Garnet's unique grain characteristics in hardness, toughness, density and angularity make it a prime candidate for a variety of industrial and commercial applications.

We also have a range of rare earths and precious minerals in our tailings available to purchase.
Info Hub
Your Source for GMA Resources and News Explore Our Videos, News and Event
Solutions from Our Experts
Discover the latest in abrasive technology and information.
Learn More
Contact Us