Baltic amber stone with fossil insects - ant Myrmycinae, probably Sima.
It weighs 7.4 grams. Measurements of stone 31x25x14mm, length of insect body and head ~ 5.3mm.
I can send digital high resolution picture by e-mail for personal (not commercial) use. Contact me concerning it.
If you which stone can be made into pendant for free. Please check if stone measurements are suitable for you.