Baltic amber stone with fossil inclusion - "flying" mayfly Ephemeroptera and click beetle.
It weighs 3.1 grams. Measurements of stone 38x17x7mm, length of insect body and head ~ 5.1mm, with cerci ~ 10mm, wingspan ~ 9.5mm.
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.