Baltic amber stone with fossil inclusions - long-legged fly Dolichopodidae probably attacking aphid Aphidoidea.
It weighs 0.2 grams. Measurements of stone 15x6x4mm, length of insect wingspan ~ 3.7mm.
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.