Baltic amber stone with fossil insect - rare ant, probably Agroecomyrmex duisburgi and remais of spider.
It weighs 24.3 grams. Measurements of stone 60x44x16mm, length of ant body and head ~ 3mm (curled).
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.