Baltic amber stone with fossil insect - well preserved extremely rare 3 great spider-flies (small-headed flies) Acroceridae, Archaeterphis hennigi.
It weighs 1.1 grams. Measurements of stone 17x16x5mm, length of insects body and head ~ 3mm.
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.