Baltic amber stone with fossil inclusion - larval case with larva inside (larva is visible when looking from side) probably Lepidoptera.
It weighs 0.9 grams. Measurements of stone 15x14x5mm, length of case ~ 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.