Small Baltic amber stone with fossil insect metamorphozis ? - probably freshly hatched Empididae snipe fly from pupa with unformed wings - some extremely rare action in amber.
It weighs 0.4 grams. Measurements of stone 12x9x5mm, length of ant body and head ~ 3mm, max ~ 7mm.
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.