Baltic amber stone with fossil insect - mayfly Ephemeroptera.
It weighs 1.9 grams. Measurements of stone 24x17x7mm, length of mayfly body and head ~ 5mm, with wings ~ 12mm.
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.