Baltic amber stone with fossil inclusions - nice crane fly Elephantomyia (long proboscis) and mite on fly Dolichopodidae (Phoresy).
It weighs 1.7 grams. Measurements of stone 25x17x5mm, length of crane fly body and head ~ 4.4mm, max ~ 8mm.
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.