Cuprite and Chrysacolla

From the press release:
Heads Up, Rock Hounds: Palace Gem & Mineral Show Returns

New Mexico History Museum

Samples of rocks containing both cuprite and chrysacolla at the Palace Gem & Mineral Show. The two together represent a rare material sometimes referred to as Christmas Stone because of the green and red coloring. Photo by Natalie Baca, New Mexico History Museum.

Note: Representative image at left is often cropped for display purposes. Downloaded high-resolution images are not cropped.