I fell in love with this at once!
 
Such pretty colours - 12 gemstones all hinged together, yes little dinky hinges.
carnelian
bloodstone
agate
aqua
amethyst
chalcedony
hessonite
peridot
set on and 18 carat gold rope chain, 2 rows each side, the back fastens with a rather large (not original to the piece) clasp, a carnelian stone with intaglio of a lyre and a feather.
 
The stones measure 6mm x 4mm
6.5" wearable length
 
clasp measures 15mm x 11mm x 5mm deep
 
weighs - 8.9g