˜ 19.09 mm Diameter
˜ 12.56 mm Thick
˜ 26.43 mm from bottom of pendant to top of loop
˜ 3.60 mm diameter hole in loop

Images taken with 5000k color temperature bulbs

Borosilicate Glass Implosion Pendant
Not Signed

https://www.etsy.com/listing/590270896/