Pendant Susters

Two people that have pendant shaped necklaces that are similar but not alike.

Ex: I have an amethyst pendant necklace, my friend has a Quartz pendant necklace, this makes us pendant susters.

A: AHH OMGGG??? DO YOU HAVE WHAT I THINK YOU DO??
B: OMGGG NO WAY ARE WE....MATCHING??
A: YESSSS
A&B: WE ARE PENDANT SUSTERS!!