Chunky Natural Center Navy Blue Stone Statement Y Necklace Most Likely Agate

Probably one of a kind - stamped tag with a T Measures approximately 18” plus 3” extender chain. Y drop pendant measures 4” It test as natural stone on my gem tester (see Photo). It’s most likely agate but ☀️Bundle items from my closet to save on shipping & get a 25% discount☀️