Baltic amber stone with fossil inclusion - disc web spider Oecobiidae Mizalia.
It weighs 3.7 grams. Measurements of stone 28x23x10mm, length of spider max ~ 7mm, body ~ 4mm.
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.