By: magic-gigapans
Image: Callan Bentley, Mid-Atlantic Geo-Image Collection
License: Creative Commons Non Commercial ⧉

Uploaded: 18 Mar 2020
Last Updated: 22 May 2020

861 megapixels
31,384 x 27,440 pixels
104.6 in X 91.5 in at 300dpi
3,561 pixels per inch

Three specimens of obsidian (volcanic glass).