Silicon carbide, also known as carborundum, is a hard chemical compound containing silicon and carbon. A semiconductor, it occurs in nature as the extremely rare mineral moissanite, but has been mass-produced as a powder and crystal since 1893 for use as an abrasive.
Silica Carbide Rough – 4 – 4 1/2 inch
Silica Carbide- Carbonundum
Location: Russia
Dimensions: 4 – 4 1/2 inches
All specimens will be comparable to photo in size and quality
$24.95
Availability: In stock