Baltic amber stone with fossil insect - probably silken fungus beetle Cryptophaagidae, Atomaria ?.
It weighs 0.6 grams. Measurements of stone 22x12x3mm, length of insect body ~ 1mm.
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.