˜ 20.07 mm Diameter
˜ 11.63 mm Thick
˜ 27.27 mm from bottom of pendant to top of loop
˜ 3.78 mm diameter hole in loop

Images taken with 5000k color temperature bulbs

Borosilicate Glass Implosion Pendant
Not Signed

https://www.etsy.com/listing/603141565