Baltic amber stone with fossil inclusion - probably round worm Nematoda and several gnats in piece.
It weighs 3.5 grams. Measurements of stone 24x23x11mm, length of round worm ~ 2mm.
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.