Baltic amber stone with fossil insects - true midge Chironomidae with very large basal antennae segment "Johnston organ" by which the males "hear" the sound of swarming females.
It weighs 0.3 grams. Measurements of stone 17x8x4mm, length of insect body and head ~ 2mm.
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.