Baltic amber stone with fossil inclusion - probably fighting spiders Araneae.
It weighs 4.2 grams. Measurements of stone 43x21x7mm, length of spiders body ~ 2.5mm.
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.