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

Uploaded: 13 May 2020
Last Updated: 1 Jun 2020

442 megapixels
18,780 x 23,552 pixels
62.6 in X 78.5 in at 300dpi
4,966 pixels per inch

Sample from the pegmatite at Moorefield Mine, Amelia, Virginia. Diameter of gray reaction rim is 7 cm.