Baltic amber stone with fossil millipede and 2 beetle larvaes probably Cucujidae.
It weighs 0.7 grams. Measurements of stone 16x12x4mm, length of millipede and larvas ~ 4mm.
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.