Custom one of a kind Black Onyx Sterling Silver Earrings .935 sterling silver

size: 1 3/16 x 7/15 inch or 30mm x 11mm

Onyx is the birthstone for Leos and the anniversary gemstone for the 7th year of marriage. Black Onyx is the anniversary gemstone for the 10th year of marriage. Onyx is a variety of the microcrystalline quartz, called chalcedony. The name “chalcedony” comes from Calcedon or Calchedon, an ancient port on the Sea of Marmara in Asia Minor.