Baltic amber stone with fossil inclusion - large disc web spider Oecobiidae Mizalia.
It weighs 2.9 grams. Measurements of stone 34x23x7mm, length of spider body ~ 4mm, max ~ 7mm.
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.