By: nova-an-slc
Image: Robin Rohrback, Mid-Atlantic Geo-Image Collection
License: Creative Commons Non Commercial ⧉

Uploaded: 11 Feb 2021
Last Updated: 15 Feb 2021

120 megapixels
10,939 x 10,995 pixels
36.5 in X 36.6 in at 300dpi
7,240 pixels per inch

Hardness: 3.5 - 4 Streak: white Other properties: effervesces on contact with HCl if powdered