L. 2.1 cm x diam of center hole 0.7 cm (13/16 x 1/4 in.)
Hematite
SasanianChalcedony
2nd-3rd century CESasanianAlabaster
4th-6th centurySasanianAgate
3rd-7th centurySasanianQuartz
1st millennium CESasanianCarnelian
3rd-7th centurySasanianSmoky chalcedony
3rd-7th centurySasanianStone
3rd-7th centurySasanianDark green stone, with perforation
3rd-7th centurySasanianBanded agate
3rd-7th centurySasanianHematite
SasanianGreen jasper
3rd-7th centurySasanian