˜ 19.40 mm Diameter
˜ 11.01 mm Thick
˜ 26.18 mm from bottom of pendant to top of loop
˜ 3.12 mm diameter hole in loop

Images taken with 5000k color temperature bulbs

Borosilicate Glass Implosion Pendant
Not Signed

https://www.etsy.com/listing/603500845/