Mineral studs, approximately 10-15mm.  Choose mineral and metal type. These earrings will be custom made upon ordering, so please allow approximately 2 weeks for completion of your order.  Stones all have natural surfaces; therefore, color, shape, and size will vary somewhat from those pictured.
 
Minerals pictured: hemimorphite, astrophyllite, druzy agate, druzy onyx, geode, lapis, uvarovite