˜ 19.96 mm Diameter
˜ 11.33 mm Thick
˜ 30.23 mm from bottom of pendant to top of loop
˜ 3.98 mm diameter hole in loop

Images taken with 5000k color temperature bulbs

Borosilicate Glass Implosion Pendant
Not Signed

https://www.etsy.com/listing/589355306