MR94-GQ
Quantity: 1 pair
Pieces measure approximately 1.5 inches & hoops have internal diameter of 3/8 inch
NICKEL FREE BASE METAL
Quartz is formed through the crystallization of silicon dioxide in geological processes such as precipitation in hydrothermal veins, cooling in magmatic environments, recrystallization during metamorphism, or sedimentation in sedimentary rocks, resulting in the diverse range of quartz varieties seen in nature.