Onyx – Natural, Bead, Black
Vintage spacer beads, custom-cut black onyxes. Note the gray color in the bead holes and some surface areas. Like most black onyxes, these stones were dyed. Photo © Joel E. Arem, PhD, FGA. Used with permission.
Article: Onyx Value, Price, and Jewelry Information
Credit: Joel E. Arem, PhD, FGA
Gemstone | Quartz, Chalcedony, Onyx |
Treatments | Dyeing |
Natural or man made | Natural |
Gem State | Bead |
Color | Black |
Transparency | Opaque |