#2730 Descloizite, Chalcophanite Richmond Sitting Bull Mine Galena Lawrence Co. South Dakota USA (2005) FOV:1.2 mm
Stacked from 79 images. (Self collected circa 1985-1988) I am revisiting some of my favorite specimens while I shake down my new USB camera. It seems very sensitive to blue…
#3310 Descloizite Hardshell Mine Harshaw Santa Cruz Co. Arizona USA (2022) FOV:1.6 mm Largest crystal is ~ 0.6 mm across.
This would have been impossible for me to capture manually. Automated capture of 421 images with motor step set to 1/4 step. This will be another specimen I revisit after…