Baltic amber stone with fossil insect - large mayfly Ephemeroptera.
It weighs 1.8 grams. Measurements of stone 32x13x6mm, length of mayfly body and head ~ 11mm, max ~ 20mm.
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.