Silicon Dioxide, amethyst with a milky quartz
Geological Code: SiO2
Rhombohedral crystal system
Brazil, Bolivia, Uruguay, Zambia, Ontario
10 mm and 12 mm beads
Silicon Dioxide, amethyst with a milky quartz
Geological Code: SiO2
Rhombohedral crystal system
Brazil, Bolivia, Uruguay, Zambia, Ontario
10 mm and 12 mm beads