Baltic amber stone with fossil insects - very rare perfectly preserved alderfly Megaloptera Sialidae.
It weighs 4.1 grams. Measurements of stone 32x23x10mm, length of insect body and head ~ 8.5mm, with wings ~ 12.7mm, max ~ 21mm.
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.