green gemstone: jade?

[heliopolis]

Hello,
This gemstone was bought from China in the 90s, it weight 3.6g is it a natural jade? And how valuable is it?
the second picture with a direct flashlight from beneath the gemstone. Thanks for help

 

[chrono]

Could be serpentine, green quartz (aventurine or chalcedony) or even glass (created with inclusion). Best to have it tested.