Baltic amber stone with fossil insect - bristletail Machilidae.
It weighs 4.7 grams. Measurements of stone 51x12x10mm, length of insect max ~ 15mm, body 5.6mm.
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.