Baltic amber stone with inclusion - extremely rare badly preserved pill millipede Glomeridae. Covered with white coating (product of decay).
It weighs 1.7 grams. Measurements of stone 21x17x7mm, length of millipede ~ 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.