Baltic amber stone with fossil insect - very rare dry bark beetle Bothrideridae, Teredinae, probably Teredus with several small phoretic mites. Rare phoresy example in amber.
It weighs 0.4 grams. Measurements of stone 13x12x4mm, 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.