Baltic amber stone with fossil insect - bristletail Archaeognatha.
It weighs 0.4 grams. Measurements of stone 13x10x4mm, length of insect ~ 8mm curled.
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.