![](http://www.alamy.com/thumbs/6/4004ACA5-1836-456D-BDED-3602098140BF/2W9YP24.jpg)
Six microscopic magnifications of minerals, Cohen, c. 1880 - in or before 1885 photomechanical print Figure 1 is apofyllite, 2 is orthoclaas, 3 is Zinnwaldite, 4, 5 and 6 is fluornodium crystal. GreifswaldOffenburg paper collotype minerals and metals
Size: 5782px × 4204px
Photo credit: © piemags/rmn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: