30/60 mesh blasting garnet sand for surface treatment - Coowor.com
A single garnet sand grain balanced on another grain of sand. Garnet is 1/4th of a millimeter in diameter! From Bandon, Oregon beach - found faceted this way. : r/geology
Garnet Grit Abrasive Blasting Media | Kramer Industries Inc. | NJ, NH
Amazon.com: 50 LBS - Garnet #100/120 Grit Sand Blasting and Waterjet Abrasive Media, Fine Grade : Tools & Home Improvement