Baltic amber stone with fossil inclusion - very rare 4 aquatic marsh beetle larvaes Scirtidae.
It weighs 4.3 grams. Measurements of stone 40x21x10mm, length of larvaes ~ 2 - 4.5mm.
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.