Baltic amber stone with fossil insect - rove beetle Staphylinidae probably Paederinae with very small booklice Psocoptera larvae.
It weighs 0.8 grams. Measurements of stone 25x14x5mm, length of insect body and head ~ 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.