After some checking, studying, and gazing at this stone under 10x, 20x, and 60x magnification... I do believe it lines up to be a Prasiolite, a type of quartz with a very faint hint of minty green. Not super valuable, but still a welcomed find.

Asking Price - $31 or best offer.

Gem Specs
Prasiolite
Round Cut
1.46 carat weight
VVS2 clarity
7.1 x 5.32 mm in dimensions
A/A+ cut grade