Oval Green Agate Locket Necklace is the best memorable gift.
agate cab size: 10x14 mm,
outer locket size: 27x37 mm,
locket is openable, you can put inside: photo or curl or other memorable thing. 
there are 2 places for it inside of the locket, sized 18x29 mm,
chain length: 50 cm,
color: sea green, dark green,
color of metal parts: antique bronze,
materials: natural green agate, brass, metal findings.